Honeywell HPA104 HEPA Air Purifier, Medium Room (155 sq. ft), White Honeywell True HEPA Allergen Remover captures up to 99.97% of microscopic allergens, .3 microns or larger. Features MEDIUM ROOM AIR PURIFIER ? The Honeywell HPA104 HEPA Air Purifier helps provide cleaner, fresher air. Recommended for medium rooms (155 sq. feet), HEPA Filtration captures up to 99.97% of microscopic airborne allergens and particles.* HELPS REDUCE ALLERGENS - This HEPA air purifier has 4 air cleaning levels, and helps capture the following microscopic airborne allergens and particles: dust, pollen, pet dander, dust mite debris and smoke.* EFFECTIVE AIR CLEANING AND CIRCULATION ? The Honeywell HPA100 Air Purifier filters and circulates air in medium 155 sq. ft. rooms up to 4.8 times an hour.** ALLERGEN PLUS SERIES ? This Honeywell HEPA Air Purifier is part of our Allergen Plus series. This product earned the ENERGY STAR label by meeting strict energy efficient guidelines set by the U.S. EPA. COMPATIBLE DOES NOT MEAN COMPARABLE PERFORMANCE ? For best performance, use only Genuine Honeywell air purifier filters. Compatible air purifier filter replacements are not guaranteed to offer the same performance or efficiency. USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.