newelkin 2025 ultrasonic retainer cleaner- 45khz 25w portable denture cleaner with drying function and removable inner for dentures, mouth guards, aligners, jewelry and more is up for auction in Health & Household. The current bid is $1.00, 97% below the $35.97 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.