knka air purifiers for home bedroom up to 1,695 ft² in 1 hr, aph4000, white | hepa sleep mode air cleaner with washable pre-filter, aham verified, aqi display, pet mode for pet dander, dust & pollen is up for auction in Home & Kitchen. The current bid is $2.50, 98% below the $129.00 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.