Vividorama Cat Water Fountain Stainless Steel Lid, Corded 3L/101oz Pet Water Fountain, Dog Waterer with Quiet Pump and 4-Layer Filtration for Cats and Dogs

this water fountain i have has worked very well for our girl! you can buy filters individually as well, and there is a suction system to keep the lid from just lifting off. i hope this helps! here is the link on amazon :D