neakasa airstep, 2-in-1 litter box air purifier & cat step, 3-mode odor, dust & pet hair control, air filter compatible with m1 plus / m1 lite and most automatic & basic litter boxes white airstep is up for auction in Pet Supplies. The current bid is $3.50, 93% below the $47.49 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.