BAprilaire 2210 Air Cleaner ReviewbP PP Aprilaire 2210 Air Cleaner PTraps 98 of visible airborne dust and other large particlesPPermanently captures at least 97 of airborne pollen-sized particlesPProvides more than 30 times the filtering media used in standard 1" furnace filtersPRequires no maintenance other than the infrequent replacement of filtering media every 1-2 yearsP