Support Tube Gasket, Compatible Mfr. Model Number WF2503, WF2504, WF2505, WF2508, WF2603, WF2604, WF2605, WF2608, WF2613, For Use With Wash Fountains (Bradstone(R) Construction), Rubber, Bradley, Size 4 1/4 in, Wash Fountain Gaskets and O-Rings, Gaskets