1 Set for Bissell air320 Replacement Filters H13 True HP Filters

1 SETContains 1PC pre-filter, 1PC HP filter(Part# 2678,2804) and 1PC activated carbon filter(Part# 2677) compatible with BISSELL air220 and air320 air purifier. | H13 GRADE HP FILTEROur filter for Bissell air320 filter replacement are constructed with premium HP 13 material, captures 99.97% of airborne particles down to 0.3 microns in size. | IMPROVED CARBON FILTEROur activated carbon filter features more carbon than other carbon filters on the market. Designed for greater surface area absorption, our unique honey-comb carbon filter is able to absorb more odors, gases, and smoke and last much longer. | 3-STAGE FILTRATION SYSTEMStage 1: pre-filter; Stage 2: H13 grade true HP filter; Stage 3: activated carbon filter. Perfect for anyone wanting to improve air quality. | 6-12 MONTHS REPLACEMENT FILTER KIT It is recommended to replace your replacement filter every 6-12 months for optimal performance(Depending on the existing air conditions). Keep your machine running its best by changing your filter regularly.