NPET Stainless Steel Cat Water Fountain, 1Gallon/135oz Automatic Pet Drinking Fountain Dog Water Dispenser Bowl with Water Level Window for Cats Indoor - WF210Plus Fountain +1 Filter +1 Sponge 1 Gal Fountain is up for auction in Pet Supplies. The current bid is $8.50, 59% below the $20.73 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.