KNKA HEPA Air Purifier for Home - 2500 Sq.ft/h, for Allergy & Pet Defense, 99.97% Pet Hair/Dust/Pollen/Odors Capture, with Real-Time Air Quality Monitor & Essential Oil Diffuser - Touch Screen Contro is up for auction in Home & Kitchen. The current bid is $39.50, 70% below the $129.99 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.