This is an o-ring designed for the Sta-Rite System 3 air relief valve. This o-ring is identical to O-315, Ampro 9007, 9008, Sta-Rite/Swimquip 35505-1423. This o-ring is also designed to fit Sta-Rite System:3 Modular SMD Series D.E. Filters, Sta-Rite System:3 SD Series D.E. Filters, and Sta-Rite System:3 SS-Series Sand Filters.
This o-ring has been manufactured in accordance with OEM specifications and are designed to meet or exceed specifications.
