The available filter depths are 68, 90 mm. They supply purified air to cleanrooms and laboratories within the life-science, food-and beverage and microelectronic industries by removing harmful airborne particles from recirculating air. Gabtic Engineering & Supplies. (0) 360˚ Purification (Brand-new aerospace-grade fan technology) Clean Booster (24% faster and 7. But not at the expense of the environment. A total of nine units in power range from 600 to 6. error: Content is protected !! Providing TROX Bag In Bag Out Filters BIBO and many other Trox and HVAC Products in Singapore like Chilled Beams, Diffusers. LAFC-RC1-HEPA 500 cfm air purifier / smoke eater mounts in a 2 x 4 drop ceiling. CADR: 500 CFM: Filter Life: up to 5 years: Replacement Filter: Check Price: Noise Level: 64 dB:. Ltd. Used in medicine, biology, the pharmaceuticals industry, and sensitive technical areas. Wall mounted particulate filter. Your contact partner;Overview. More info. The housing is come with smart clamping feature, user friendly design and robust. > F640, F650, F654, F655, F656, F659, F660, F670 HEPA terminal filter. Singapore 629034. 97% efficiency. FFDXRA-MC. TROX’s two-stage, high-performance filter system cleans the air and demonstrably filters over 99. The UV400C-PT mounts completely out of the way in a 2 ft. The HEPA filter only needs replacing years after operation. For supply and extract air. 95% of all aerosols. TROX high efficiency filters. Philips AC0820/10 Air Purifier. Accepts 53mm deep Camfil Megalam gel seal panel filters. Casing with side entry or top entry circular spigot or with side entry rectangular spigot. Browse within the largest BIM library and enrich your project with manufacturer-specific and generic BIM content! The powerful search engine allows you to find up-to-date graphic and parametric product information, ready to use in your BIM process. Nominal sizes. The efficiency of all filters is tested to EN 779 or EN 1822. 6. Camfil offers a wide range of terminal housings with premium HEPA and ULPA filters for turbulent ventilated cleanrooms. 177 Sameh Gado St, Flat 2, 6th Touristic Zone, 6th of october, Giza. Discover minipleat filters by TROX - ORDER ONLINE. It has a simple and sleek design, a record-high 290 CADR rating for a wall-mounted air cleaner, and can cover areas up to 640 sq ft (given 2 air changes per hour). HC800C. TROX offers an extensive filter programme for technically and economically sound solutions: Filter units are available for different installation locations, e. Get the Right Air Filter. HEPA filter. An occasional cleaning with a shop vacuum or hand washing will keep the pre-filter clean. Used in medicine, biology, the pharmaceuticals. and 24 in. Cosmo Prime® uses a True HEPA filter which stops 99. FTB-15. Captures dust, allergens and up to 99. The ceiling mounted FFU features easy-open clips allowing for filter replacement from within the airlock, without dismantling the entire FFU. Description. Aerosols which may also be contaminated with a virus. Nominal sizes 5, 6, 8, 10, 12, 16 in; Volume flow rate range 8. Diffuser with 90 Degree Air Discharge Pattern. TRACS TM500 Ceiling Mount Air Purification system is a multistage HEPA and UV-C unit that conveniently mount into 2x2 drop ceilings. More info. Particulate filters H14 with Mini Pleat filter panels are used as final filters for the separation of suspended particles in industrial, research, medical, and pharmaceutical applications. The difference between Xiaomi's High Efficiency Filter and a conventional HEPA Filter Combination of two filter technologies: Electrostatic and mechanical filtration. They are used as standard in operating theatres or clean rooms (e. Filter with continuous seal and flat seal (frame depths 78 – 90 mm) Casing material. VDI 6022 recommends only replacing the main filter after about two years for hygiene reasons. Filter fitting and construction. 1 Piece (MOQ) Structure :. In many applications, however, HEPA filters are used for much longer. High-efficiency filters are either ceiling mounted and have a diffuser face or they are used as final filter stage in filter ceilings. 9995% at 0. Catalog excerpts. Sterra Breeze ™ Air Purifier. Clip-in tile ceiling. 00 5000 CFM True HEPA 99. based in Guangzhou, CHINA. Horsepower 1HP. TROX offers an extensive filter programme for technically and economically sound solutions: Filter units are available for different installation locations, e. Minimum volume flow rate. LFDC. Type of Information. Providing trox ceiling mounted hepa filter and many other Trox and HVAC Products in Singapore like Acoustic louvres TROX Ceiling mounted units with HEPA filter and diffuser face Next Our Products TROX filter, many different models, sizes, and grades. TROX Services. As standard, ceiling mounted particulate filters with circular spigots are fitted with a lip seal. $549. TROX’s two-stage, high-performance filter system cleans the air and demonstrably filters over 99. CleanSeal Side-C. Using 3-speed controller allowing ease of airflow adjustment. 995% of microscopic particles 0. Utopia offers very high quality Hepa filters which are designed to target much smaller pollutants & particles. 97% to 0. Singapore (HQ): We provide complete and customized air treatment suppliers and electrostatic air cleaner suppliers in UAE for industrial facilities. Overzealous staffers with long mop handles can poke holes in ceiling-mounted HEPA filters. Available in two sizes, standard and mini, these purifiers deliver a 99. SUITABLE FOR CEILING INSTALLATION Ceiling mounted particulate filters as final filter stage with Mini Pleat filter panels for the separation. 00. The new CHM and CHS wall diffusers offer the perfect solution here, not only visually but also acoustically, both for supply air and extract air, or as a supply/extract air combination. color. Call us at 800-558-9436. Filter groups ISO ePM1 (fine dust filter) and. Prefilters or final filters for the separation of fine dust and particulate filters for the most critical requirements in ventilation systems. 35%. 75 Carbon Filter High Level Particle Removal Size ~ 48" x 24" x 11" Ceiling MountTechnical data of HEPA filters. OLS, Connols-Air, OLSON Acoustics:TROX filter, many different models, sizes, and grades. It has a 3-speed blower motor and can be controlled remotely. These filters help protect against devastating health and financial consequences, as when a manufacturing process contaminates food or an infectious virus spreads. S$895. A wide range of accessories completes the range from simple air heater on combined heating-/cooling coils up to steam humidification module. There are several ceiling mounted air purifiers that can be considered “the best”. 5730877. Effective coverage up to 19 sqm. 1/1/EN/2 Grilles Linear Grilles for Walls, Floors, Doors, Rectangular and Circular Ducts. Indoor air pollution is among the top five environmental health risks, according to the EPA. A run around coil system from TROX with a TROX hydraulic unit including special RAC control guarantees highly efficient heat recovery of up to 80 %. Klemmkassettendecke. Ceiling Cleanroom HEPA Filter Features: 99. Ceiling Mounted Displacement Diffuser. Filter Elements and Filter Units. Filter element can be easily accessed from the clean air side even after installation thanks to a removable cross bar. Up to 6 dB less noise than with DUK jet nozzles due to optimised nozzle contours. Upgrading to more efficient air filters is one of the easiest and most cost-effective ways to improve the quality of your indoor air. Unit 10 Corner Mini's. +44 (0) 1842 851331. Price Fan Filter Units (FFU) are the most energy efficient line of fan filter units (fan filter modules) on the market today. 97%@0. Particulate filters H14 with Mini Pleat filter panels are used as final filters for the separation of suspended particles in industrial, research, medical, and pharmaceutical applications. Nominal sizes 300, 400, 500, 600, 625. The entire product range is manufactured in Germany, in the Goch production facility, and tested to comply with EN 779 or EN 1822, depending on the filter type. Operating range:FDA-approved silicone sealant. Heat exchanger connection is on the left when seen from the room. Our filters are tested to EN 1822 and ISO 29463 standards. He sells several TROX Products and products in the HVAC industry. 20. Used in medicine, biology, the pharmaceuticals industry, and sensitive technical areas. The TROX air purifier is used to purify atmospheric air indoors. Filter units and filter elements from TROX Filter Technology from A to Z. Ceiling mounted particulate filters with Mini Pleat filter panels are used as final filter stage PMT (GB) Limited. They supply purified air to cleanrooms and laboratories within the life-science, food-and-beverage and microelectronic industries by removing harmful airborne particles from recirculating air. x 24 in. Shipped from abroad. RAL CLASSIC. For air cleanliness classes 5 to 8 according to ISO 14644-1. Independent fan mounting which enables individual removal or replacement. FFDXRA. 97% of airborne particles 0. 4. Minimum volume flow rate, with Δtz = . High operational reliability. Pro Tech Exterior Products 875 Viewfield Rd Victoria, BC V9A 4V2 Phone: 250-382-5885 Email: info@protechvi. It provides clean quiet purified air for your business $1695. AS 1807. It is used to supply purified air to cleanrooms, laboratories, medical facilities or microenvironments by removing harmful airborne particles from recirculating air. Pharmaceutical clean room terminal filters. 1 microns including viruses, allergens and germs and is designed to last for one full year. favorite. They are often installed in a ceiling grid system but can also be. The sealant is chemically stable to. A highly efficient H13 HEPA filter is used for this purpose, HEPA filters being widely used for air cleaning in operating theatre applications. State-of-the-art technology. Particulate filtration for powders: HEPA H14 filtration efficiency: 99. By circulating the air in your home or office, you can keep the temperature down and save on your cooling bill. Highlights. The Levoit Core 300 Air Purifier is a basic air purifier with three fan settings, a timer, and a sleep mode. FOR HORIZONTAL ONE-WAY TO FOUR-WAY AIR DISCHARGE, FOR COMFORT ZONES, WITH FIXED BAFFLE ELEMENT Square ceiling diffusers Nominal sizes 250, 300, 400, 500, 600 Volume flow rate range 6 – 285 l/s or 22 – 1026 m³/h Square diffuser face Diffuser face made of galvanised sheet steel, powder-coated For supply and. TROX high efficiency filters. Performance tested in accordance with EN 1822-1 and ISO 29463-2 to ISO 29463-5. Some of the products that we deal with includes, trox smoke dampers, trox fire dampers, Trox marine dampers, displacement diffusers, acoustic louver type NL, TROX Jet. Categories: +3 Keywords: Hepa Filter , Valves & Taps + 10 Brands: AAF , Aerco + 8. Application Particulate filter module type TFM for ceiling installation as a final filter stage and for air distribution in clean room technology Fitting of filter elements for the. Filter groups ISO ePM10, ISO ePM1 (fine dust filter) and EPA, HEPA (particulate filter)Round Ceiling Diffuser - [C-2] KYODO series C-2 Round ceiling diffusers are designed for both heating and cooling application. The ceiling-mounted installation of the air purifier allows for a very high level of control in specific areas due to the separate return and supply ducts. Pharmaceutical clean room terminal filters. walls, ducts or. 3μ in diameter, were tested. But in the spring. Meets the hygiene requirements of VDI 6022. Indoor air pollution is among the top five environmental health risks, according to the EPA. The model comes with an H13 filter, which is a medical-grade HEPA filter. Three portable units were located near the centre of the room, and the fourth was mounted on a wall. Ceiling mounted particulate filters. 00. TROX Easy Product Finder Fast. Ceiling mounted particulate filters. error: Content is protected !! Providing TROX Bag In Bag Out Filters BIBO and many other Trox and HVAC Products in Singapore like Chilled Beams, Diffusers. Variante. Meets the hygiene requirements of VDI 6022. Duct casings made of sheet steel with decontaminable powder coating RAL 9010; Robust, welded casing construction with perimeter connecting flanges with pre-drilled holesFilter elements and filter units; back; Laboratories; CLEAN ROOMS; PHARMACEUTICAL INDUSTRY; Hospitals;. Optional with damper, adjustable from the room. Help Desk. Used in highly sensitive areas in pharmaceuticals, medicine, and biology. Ceiling air returns should be avoided as it can result in short. The diffuser is designed to be equipped with H14 class HEPA filter with gel gasket. Covers up to 3 to 4-room HDB flat (80m² areas) Whisper-quiet – operates as silent as a soft whisper. 99% Particles Removal Rate Air Purifier. PMT (GB) Limited has been dedicated to contamination control instrumentation for 20 years with combined experience of more than 100 years. Check Novita NAP-101i Air Purifier price below: Harvey Norman Singapore. Our filters are tested to EN 1822 and ISO 29463 standards. Easy filter change, no tools required. It incorporates a pre-filter net, a true HEPA filter, and an activated carbon filter in one cartridge. FOR HIGH DUST CONCENTRATIONS OR AS A PREFILTER FOR FINE DUST FILTERS Z-line filters for the separation of coarse and fine dust, used as the first stage in ventilation and air handling units or as prefilters for high-quality filter stages Filter classes G4 (coarse dust filter), M5 (fine dust filter) Large filter area due to folding. Powerful Airflow - Energy-efficient motorized impeller rated for 100,000 hours of maintenance-free operation. Particulate filter modules for ceilings. Camfil's NATA accredited facility can perform HEPA filter integrity testing either with DOP or DPC methods, to the following Australian Standards: AS 1807. TROX India Pvt. (172 Reviews) $549. Particulate filters H14 with Mini Pleat filter panels are used as final filters for the separation of suspended particles in industrial, research, medical, and pharmaceutical applications. 000m3 / h with two different systems for heat exchange offer ideal solutions for small and midrange applications. HEPA filter modules - TROX. Low power consumption Only 0. 49%. Easy, time-saving, and secure filter change. As standard, ceiling mounted particulate filters with circular spigots are fitted with a lip seal. $463. Ceiling Hepa. drop ceiling grid. The air sampling port is available as an option for checking the static pressure and contamination levels of the air entering side of the module. Prefilters or final filters for the separation of fine dust and suspended particles. Top entry circular spigot. 7 – Determination of integrity for non-terminally mounted HEPA Filter. Easy, time-saving and secure filter change, can be completed by oneCeiling mounted: Hung via 4 eye bolts (included). Ceiling swirl diffusers, design swirl diffusers, swirl diffusers with perforated face plate, and ceiling diffusers from TROX. Filter groups ISO ePM10, ISO ePM1 (fine dust filter) and EPA, HEPA (particulate filter) Performance data tested according to ISO 16890 or to EN 1822-1 and ISO 29463-2 to ISO 29463-5; Eurovent certification for fine dust filters; Meets. High Efficiency Particulate Air (HEPA) Aluminium Separator (Al-Sep) filters, also known as Absolute Filters for efficiency more than 99. Dyson Pure Cool TP00 Air Purifier. LL-1. Product selection A-Z. Properly designed UFAD systems take advantage of thermal stratification. Weight 3. The CRC HEPA Filter Ceiling Module is designed to accommodate AAF International's AstroCel ® I and AstroCel II HEPA filters. Particulate filter air terminal devices. TROX's two-stage, high-performance filter system filters over 99. Each module comes complete with a 10 " diameter supply duct connection, as. Very good product quality due to high Productivity and Reliable processes in production, with 100 % quality control. A 41-mm filter pack, completely encapsulated in a polyurethane sealant. Welded filter casing with sealing frame for fitting filter elements, with a seal on the downstream side; Mounted pressure measurement points to monitor the operating differential pressure and with internal measuring tube; Materials and surfaces. HEPA Filter; Activated Carbon Filter; After the several-stage filtration system air is much cleaner and lacks smells. de. Singapore 629034. In many applications, however, HEPA filters are used for much longer. Diffuser face made of galvanised sheet steel, powder-coated. Central duct for operating table light stem. The HealthyAir ® Ceiling-Mount Air Cleaner is the ideal air purification system for use in commercial and public applications, including evidence rooms, dental offices, medical offices, hair salons, schools, office buildings, healthcare facilities, senior living centers, and more. Effectiveness of ceiling-mounted HEPA filters with present in the therapy pool water during the B-Y1 and internal UV lamps for reducing/inactivating airborne bacteria in in- H-Y1 sampling campaigns, respectively. Air Diffusers. Internal baffling plate and diffuser panel provide quiet, uniform air flow across the filter face. Prefilter: Particulate filter. It does a great job of filtering out pet dander as well as pet odors thanks to the combination of activated carbon and True HEPA filter. Side entry circular spigot. TROX offers an extensive filter programme for technically and economically sound solutions: Filter units are available for different installation locations, e. The LAFC-HUV combines HEPA and UVGI (ultraviolet germicidal irradiation) to provide the cleanest air possible, indoor air pollution and viruses. x 2 ft. Wall mounted particulate filters as a final filter stage with Mini Pleat filter panels for the separation of suspended particles. de D-47504 Neukirchen-Vluyn Subsidiaries and Sales Offices Argentina TROX Argentina S. HC800CD. $40. With multiple control options, construction options. The CamContain Ceil-X is a ceiling mounted, room side replaceable HEPA exhaust system featuring Camfil’s SafeScan automated scanning technology (wall mount option available). Filter Elements and Filter Units. Used in medicine, biology, the. Northlands Business Park. Air flow: 430 m³/h. Air Filtration: ASTM-rated cleanrooms use HEPA filters to remove airborne particles from air entering the cleanroom. TROX high capacity air purifier ,vav terminal box,TROX flow controllers lab applications. Filter groups ISO ePM1 (fine dust filter) and EPA, HEPA (particulate filter) Performance data tested according to ISO 16890 or to EN 1822-1 and ISO 29463-2 to ISO. Sterra Breeze Ion Variant. Warranty 2 Years. Best HEPA air purifier with a washable filter. Terra provides both portable HEPA filtration systems and ceiling mounted HEPA filters that are directly powered, relatively easy to install, and suitable for flush mount drop ceilings, mobile mounts, or suspended cable installation. TROX Easy Product Finder Fast. Ceiling Mounted HEPA 13 99. For air cleanliness classes 5 to 8 according to ISO 14644-1. 99% @ 0. 95 EHF. Installed in walls, ducts, ceilings or air handling units, whether in schools, production facilities or pharmaceutical. Robust fully welded construction for durable reliability and tightness. DVVC. Figure 5 shows an example using the hood of a balometer as an anti-entrainment wall. in micro-chip production) and. TDV-SilentAIR With very low sound power level for comfort zones and individually manually adjustable air control blades read more658078 Singapore Singapore Mobile: +65 9755 1342. Singapore 629034. Various TROX Filters of many different models sizes and grades in Singapore like Hepa Filter and TROX Products like DiffusersCeiling mounted particulate filters as a final filter stage with Mini Pleat filter panels for the separation of suspended particles. Aerosols which may also be contaminated with a virus. The. Filter Elements and Filter Units. Quick front plate locking for immediate access to the filter. 97% of particles down to 0. 4 – Determination of integrity for terminally mounted HEPA Filter installations. Try it out. Telephone number +61 289232551. Five airflow settings, with peak output of 725cfm - 850cfm. 3 microns in size. Structure Metallic FrameMounts in a standard 2’ x 2’ Drop Ceiling. All TROX filters of filter classes H13, H14, U15, U16 and U17 are individually tested for freedom from leakage and the achievement of an integral filter efficiency - and that. TROX’s two-stage, high-performance filter system cleans the air and demonstrably filters over 99. In many applications, however, HEPA filters are used for much longer. Compare 60 offers from Shopee & more. Phone Number Website Email Us Map WhatsApp. TROX ceiling, wall, staircase and floor diffusers were designed in corporation with well-known designers and architects so that they act as design elements for architects and, at the same time, fulfil demanding ventilation and acoustic requirements. HEPA filters with filter class H13 are ideal for air cleaning. VDI 6022 recommends only replacing the main filter after about two years for hygiene reasons. HEPA filters for Cleanrooms, Electronics Industries, Isolation Wards, Operating Theatres, Pharmaceutical Productions,. CleanSeal Side-C. Pharmaceutical clean room terminal filters. Operator remains protected and external environment remains clean while removing contaminants stopped inside the old filter (HEPA) wrapped and secured inside the bag and ready for disposal after the process…. ₱ 29,500. Ceiling mounted particulate filters with Mini Pleat filter panels are used as final filter stageGuangzhou Clean-Link Filtration Technology Co. Get in touch with us - our diffuser programme also offers you an ideal solution. They exclude delivery charges and customs duties and do not include additional charges for. Online-Services. Particulate filter modules type TFM for ceiling installation as a final filter stage and for air distribution in clean room technology. Linear louver diffuser, one way pattern, fixed louvers. Dimensions (W x H x D) 196 x 1018 x 110mm. Used for industrial, research, medical, pharmaceutical, and nuclear engineering applications. Compare Prices. Casing and diffuser face plate made of sheet steel, powder-coated RAL 9010, pure white;. Modulates airflow to meet load. Built-in filter scaling option. Next is a "medium" filter that catches particles larger than 1 micron that the first filter might miss. Wishlist. Horse Chestnut Avenue. Melvin Thong is a local sales representative for various TROX Products in Singapore. de. Find out all of the information about the TROX product: standard air filter ZL. F383 Duct casings for HEPA filter elements and activated carbon filter cells F620, F622, F624 Pharmaceutical clean room terminal filter units. WITH SLIM DIFFUSER FACE Slot diffusers with 15 mm diffuser face (nominal width) and adjustable air control elements Nominal lengths from 600 to 1500 mm, 1 slot Volume flow rate range from 7 to 30 (l/s)/m or 25 to 108 (m³/h)/m Diffuser face made of extruded aluminium sections For variable and constant volume flows Suitable for continuous linear. Compact design, suitable for connection to commercially available cleanroom ceiling systems. Total hood height of only 9". Unlike pressurized cleanroom ceiling plenums, FFUs create a. 97% of airborne contaminants including viruses and allergens and the activated carbon filter reduces odors and VOCs. Contact a supplier or the parent company directly to get a quote or to find out a price or your closest point of sale. copyright 2023 , Melvin Thong. LOOKING BACK TO 70 YEARS OF TROX HISTORY. Together with renowned designers and architects we have developed ceiling, wall, staircase and floor diffusers and grilles that are not only aesthetic design elements but also meet demanding ventilation and acoustic requirements. PSC motor / Room side replaceable HEPA Filter and motor. 97% of. Halton Vita VHH is a diffuser that is dedicated for hospitals and cleanrooms. 1433 Ceiling swirl diffusers General information TDF-SilentAIRTo give rooms an aesthetic, uniform look, Type VDW diffusers may also be used for extract air. 6", Prefilters: 20"x20"x1", Variable Speed Control, 120 Volt, No Power Cord. Freshair 3 – Home and Office Purifier. TROX filters of filter classes M5 to F9 are tested to EN 779 and certified by EUROVENT. TROX fine dust filters of filter classes M5 to F9 are tested to. Ceiling mounted particulate filtersThe TROX HEPA filter is made of materials that can easily be disposed of in domestic waste. Air Multiplier technology for air purification. Particulate filter air terminal devices. The ESV-VP valve package is assembled in a manufacturing setting giving you repeatable and reliable quality that otherwise may be difficult to replicate in a field setting. 12 microns. Select from 11 products starting at. Imarflex Air Purifier IAP-300. CADR: 500 CFM: Filter Life: up to 5 years: Replacement Filter: Check Price: Noise Level: 64 dB:. 00 - $45. The ducted filter housings are available in a variety of different sizes. Without the HEPA air cleaners, universal masking reduced the combined mean aerosol. Seismic tabs are included. “Dirty” air laden with potentially. Wall mounted particulate filter. 1/4-20 UNC threaded inserts on corners to allow suspension by guy-wires; eyebolt kit available. TROX high efficiency filters. TROX filters of filter classes M5 to F9 are tested to EN 779 and certified by EUROVENT. 5" Electrical 115V, 2. The traditional HEPA Aluminium Separator construction filters are used. ; All TROX filters of filter classes H13, H14, U15, U16 and U17 are individually tested for freedom. Jet angle can be adjusted, limited, and fixed. 3 microns and the ULPA air filter efficiency is rated at 99. Nominal sizes. Single module: 1200mm (W) x 1686mm (H) 2 x 2 module: 2400mm (W) x 3373mm (H) Description : OLS Fire dampers are passive fire protection products used in ventilation and air conditioning (ACMV) ducts to prevent the spread of fire through fire-rated walls and floors. TROX Australia Pty Ltd Level 25, 100 Mount Street North Sydney 2060 NSW AUSTRALIA Phone: +61 2 8923 2551. drop ceiling grid. Panasonic Single-Split System 1 Air Conditioner. Australia TROX. TROX offers an extensive filter programme for technically and economically sound solutions: Filter units are available for different installation locations, e. LIGHTWEIGHT. Quote Wedding Vow on Doctor Air Philippines’ physical store/s to get 10% off. Krantz Hepa Filter System; Acutherm Therma-Fuser™ VAV Diffuser; ZITRÓN Tunnel Ventilation Fan;. Compact design, suitable for connection to commercially available cleanroom ceiling systems. Innovative. Maximum volume flow rate, with L WA max. Integrated filter holder, connection option horizontal (round, square) or vertical (round) For cleanroom classes 5 - 8 according to EN ISO 14644-1. The Laminar Flow Diffuser with HEPA Filter has been designed to suit the stringent requirements of modern operating rooms and other clean spaces.