WebMar 1, 1998 · C-UL Classification Mark This Classification marking is used for products intended for the Canadian marketplace. It indicates that UL has used Canadian standards to evaluate the product for specific hazards or properties. Examples of C-UL Classified products include air filter units, firestop devices, certain types of roofing systems, and … WebThe unit shall provide filtered air tested at an average velocity of 90 fpm (+/- 15 fpm) measured 12 inches from the face of the unit in accordance with IEST-RP-CC002.3. The room sound level shall be less than 56 dBA when measured at 30 inches from the filter face at 90 fpm average face velocity in accordance with IEST-RP-CC002.3.
UL 900 Update - National Air Filtration Association
WebMay 24, 2024 · Filters are classified by the efficiency at a particular particle diameter, and generally a smaller particle will have a slightly lower filtration efficiency. ... Clean air is … WebThe filter efficiency (air filter grade) is reported as a percentage (from 50% - 95% in 5% increments) for each of the ePM ranges above. So, for example, if an air filter is classified as ePM1 = 70%, the filter has been tested and is known to remove 70% of particles in the size range of 0.3 - 1 μm. With regard to ISO coarse, the percentage ... in line furnace humidifiers
Look for the UL safety Mark before you buy UL Solutions
WebEngineered nanomaterials are generally classified as very fine particulate matter measuring between 1 and 100 ... The test performance of air filter units (UL 900) tests air filters designed for filters for heating, air conditioning, and ventilation systems other than residential type. They are to be used in accordance with NFPA 90A or 90B. WebThe UL Classified Mark commonly appears on products that have been evaluated for a specific hazard or for performance under specific conditions. The ULC Mark appears on many types of products, including building … WebUL Classified Washable Filtration Performance Data: Polypropylene Mesh Black Polypropylene Mesh Corrugated Polypropylene Mesh mockingbird life without barriers