System:3 Drain Adapter O-Ring

This is an o-ring designed for System:3 1-1/2 inch filter drain adapters on Sta-Rite and Pentair filters. This o-ring is identical to: O-83, Advance OV11332, Harmsco 930, Hayward SP4000Z1, Jacuzzi 13102306R, Pentair/PacFab 274494, Sta-Rite U9156, U9185, U9374, and Sta-Rite/SwimQuip 355051424.

This o-ring has been manufactured in accordance with OEM specifications and are designed to meet or exceed the original manufacturer specifications.