This is an o-ring designe for the Sta-Rite System:3 Modular Media SM Series D.E. Filter Models S7M120, S7M400, S8M150, S8M500. This o-ring is identical to: O-40, Doughboy 3081046, Hayward SPX1485B6, Jacuzzi 47022306R, PacFab/American 86200500, 850057, Pentair/Kreepy Krauly 12800, Pentair/Purex P24108, 071431,Sta-Rite U9199, Sta-Rite/Swimquip 3550511236, 355051429, WMC JS1904.
This o-ring has been manufactured in accordance with OEM specifications and are designed to meet or exceed the original manufacturer specifications.
