This o-ring has an Outside Diamer of 2-3/4 inch and is designed for the Harmsco BetterFilters BF96 and BF144 Cartridge Filters. This o-ring is identical to: O-83, Advance OV11332, Harmsco 930, Haywrd SP4000Z1, Jacuzzi 13102306R, Pentair/PacFab 274494, Sta-Rite U9156, U9185, U9374, Sta-Rite/SwimQuip 355051424.
This o-ring has been manufactured in accordance with OEM specifications and are designed to meet or exceed specifications.
