WINIX C610 4-Stage True HEPA WiFi Air Purifier (Factory Reconditioned) $69.99 at Woot. Up To 1 Year of Filtration: Includes 1 All-in-One Filters (new). †AHAM Verifide at 384 sq ft. : Also cleans rooms up to 1,824 sq ft in 1 hour (922…