cosparx stainless steel reusable litter tray compatible with petsafe scoop-free self-cleaning cat litter boxes - never absorbs odor, stains, or rusts (stainless steel litter tray) standard is up for auction in Pet Supplies. The current bid is $2.00, 95% below the $37.98 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.