HQRP Pack of 12 Foam Pre-Filter Drinkwell Stainless Steel 360, Ceramic Avalon, Lotus, Pagoda, Sedona Pet, Multi-Pet Fountains Coaster HQRP 12-Pack Foam Pre-Filter Replacement + HQRP Coaster; Compatible with Drinkwell PAC00-13711 / PAC00-13194; Stainless Steel 360, Ceramic Avalon, Pagoda, Sedona Pet, Multi-Pet Fountains; Dimensions: 3" x 2.7" x 1.2" / 75 x 68 x 30mm; The Foam Filter collects hair, debris and pet food before they reach the pump; 2 weeks DOA replacement warranty!