?kohler kohler purewash m250 manual bidet toilet seat, round & low profile, non- electric, adjustable water pressure, self cleaning, quiet-close, easy installation, biscuit biscuit round is up for auction in Home & Kitchen. The current bid is $1.50, 99% below the $117.31 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.