This is an o-ring designed for Hayward SPX710Z1 used on Valve SP710. This o-ring is identical to: O-189, Doughboy 3081043, 3081044, Hayward/Arneson G-32, Hayward SPX0710Z1, Jacuzzi 47012307R, Pentair/Letro G-32, Waterway 8050123.
This o-ring has been manufactured in accordance with OEM specifications and is designed to meet or exceed specifications.