This is an o-ring replacement designed for Hayward Multiport Valve SP710 cover. This o-ring is identical to: O-139, AquaFlo 92200080, 92200200, Hayward SPX0710Z3, Leisure Bay 303172, Martec/Sonfarrel 300004, Pentair/American 51002200, Pentair/PacFab 271103, Pentair/Rainbow R172223, Sta-Rite/Swimquip 14971SM10E7, 355051408, Waterway 3030172, 8050252.
This o-ring has been manufactured in accordance with OEM specifications and is designed to meet or exceed specifications.