This is an o-ring replacement for Hayward SP0725 Ball Valves. This part is identical to: O-276, Advance OV11212, Hayward SPX0735G, Jacuzzi 47021209R, 47046503R, Muskin 0373435, Pentair/American 501414, 501519, 510026, 510177, Pentair/PacFab 191479, 271162, SP735G, Sta-Rite 14971SM10E10, Wallace 46129.
This o-ring has been manufactured in accordance with OEM specifications and is designed to meet or exceed specifications.