Suggested Retail:$180. Greentech Environmental pureAir 500 - Portable Air Purifier and Air Cleaner, Air Purifiers for Home, Office, and Bedroom, For Spaces Up to 850 Square Feet,.... Significantly reduces odors and invisible irritants: pureAir 500 room air purifier transforms your space into a continuously fresh and clean environment, reducing airborne irritants. The pureAir 500 is ideal for homes or offices up to 850 square feet. Uses advanced technology: We use advanced technologies such as activated oxygen or ozone, HEPA carbon filtration, and ionization. The pureAir 500 significantly reduces odors from pets, cooking, smoking, and more.. 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 DAY STORAGE IS ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.