This BLACK + DECKER replacement filter for our outstanding BAPUV150 Air Purifier is designed for 1,600 hours of use. Filtration with both HEPA and activated carbon filter eliminates 99.97% of pollutants as small as 0.3 microns. HEPA filter (16.7" x 12.9" x 0.8") removes airborne micro particles such as allergens, bacteria, dust mites, pollen and pet dander. Activated carbon filter (16.7" x 12.9" x 0.6") reduces household odors such as cooking smells and second-hand smoke. Replace air purifier filter sooner if operated in an indoor environment with particularly poor air quality. Breathe easier and with a greater peace of mind knowing you and your loved ones are inhaling air free of harmful bacteria and pollutants. ISTA-6A/1C packaging with a carton weight of 3.54 lbs.