Winix C535 True HEPA 4-Stage Air Purifier for allergens and VOCs with 2 Years of Filters and PlasmaWave Technology AHAM Verified for 360 sq ft and Max Room Capacity 1728 sq ft. - Walmart.com
Amazon.com: Winix A231 Tower H13 True HEPA 4-Stage Air Purifier, Perfect for Home office, Home classroom, Bedroom and Nursery, White and Charcoal Grey Small : Home & Kitchen
Winix 5500-2 4-Stage True HEPA Air Purifier with Washable AOC Carbon Filter & PlasmaWave Technology & Reviews | Wayfair