These filters remove more air pollutants than HEPA filters, requiring 99.99% with a target particle size of 0.1 microns. Because of the filtration requirement, ULPA air filters must be woven HEPA filter captures 99.97% of dust and allergens down to 0.3μm and the UV-C light helps kill airborne viruses and bacteria: No: Rensair air purifier: Air Purifiers: Removes and kills up to 99.97% of viruses, bacteria, pollen, mould/yeast, dust, allergens and odours with use of 13 HEPA filters and UV-C light. Include 1 * FY2422/40 Nano Protect Hepa Filter & 2 * FY2420/40 Active Carbon Filter. (This is Non-Original Aftermarket Parts) ღ True Heap Filter: The air purifier filter Replacement Compatible with phil-lips Can captures up to 99.97 Percent of particles that pass through the filter as small as 0.3 microns. HEPA filters capture 99% or better of particles sized 1.0 micron and larger, and 99.97% of particles in the 0.3 – 1.0 micron range. MERV 13 filters are often used in commercial and industrial settings, while HEPA filters are often used in hospitals and other medical settings. MERV 13 filters are less expensive than HEPA filters, and they can Effectiveness of air purifiers on PM concentration. 3.1.1. Air purifier removal efficacy on different sized PM in general indoor air. In the case of AP I, both PM 10 and PM 5.0 showed a maximal decrease (52%) whilst decrease in mass concentration of PM 0.5 was least (12%) during the filtering vs non-filtering period. High-performance HEPA Filtration that wont need replacement for up to 5 years.* *DebrisDefense™ filter protects HEPA layers ,*for up to 5 years, Tested to GB/ T18801-2015 P.CCM, based on 50% CADR declined, 300 SQFT, and 12 hrs daily operation on MAX fan speed. A HEPA filter is very simply a filter that adheres to HEPA standards outlined by the Department of Energy (DOE) in 1983, which includes the ability to remove 99.7% of airborne particles above 0.3 microns in diameter (the smallest particle size to enter your lungs). The acronym HEPA meaning is three-fold: Rated at removing 99.999% of airborne contaminants, ULPA filters are considered more efficient than HEPA filters. A HEPA filters efficiency rating is 99.995%. HEPA efficiency rating: 99.995% removing airborne particles. HEPA provide an ISO Class 5. ULPA efficiency rating: 99.999% removing airborne particles. Amazon. HoMedics TotalClean Deluxe 5-in-1 is a tower air purifier equipped with UV-C technology and a 360-degree true HEPA filter. According to the manufacturer’s claims, this piece of equipment Another notable filtration testing standard is IEST-RP-CC001: HEPA and ULPA Filters, 19 which tests the performance of filters used in clean air devices and clean rooms. HEPA refers to high-efficiency particle air filters that remove 99.97% of particles whose diameter is equal to 0.3 microns. However, it is not appropriate to apply this term to T54a.