- Nuwave OxyPure ZERO Smart Air Purifier, Large Area up to 2,002 Sq Ft, Dual 4-Stage Air Filtration, Adjustable 30°, 60°, 90° Vents, Washable & Reusable Filters for ZERO Waste & Replacements, White has been removed from your cart because it can no longer be purchased. Please contact us if you need assistance.