Beaver Island Parts Co. Fits Fluval A20210 Fx O-Ring (Filter Lid) For Fx4 / Fx5 / Fx6 For Aquarium Fish Tank

Material: Buna Nitrile Rubber Style: Seal Ring Gasket O-Ring Item Dimensions LxWxH: 9 x 1 x 11 inches Power Source: Unpowered Item Weight: 0.4 Ounces Maximum Flow Rate: 100 Cubic Feet Per Minute