knka air purifier for home bedroom large room up to 1,695 ft² in 1 hr, hepa sleep mode air cleaner with washable pre-filter, aham verifide, aqi display, pet mode for pets, dust, pollen, aph4000, black is up for auction in Home & Kitchen. The current bid is $21.00, 82% below the $119.00 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.