(3 Pack) OR-233 O-Rings. Used to seal the filter housing to the filter head/cap to fix and prevent leaks. These o-rings measure approximately 2-7/8" inside diameter x 1/8" thick.
The OR-233 O-Ring has been branded under Ace Hardware, American Plumber, Ametek, Culligan, Pentek, Watts, US Filter Plymouth Products
Compatible with the following filter models: Culligan SY-2000, SY-2100, SY-2300, SY-2300S, SY-2500, SY-2650, US-600, US-640, US-600A; ACE Hardware 4158622; American Granby HFHP75BSLBP, HFHP75BSLBP20, HFHP75CSLWP; American Plumber WLCS-1000, WRO-3000, WRO-3500; Pentek RO-3000, RO-3500; Pentek US-1000, US-1500; Watts WP-5, WP-4V
Direct replacement for the following part numbers: American Granby HOR4, American Plumber 151231-51, OR-233; Ametek OR-233; Culligan 411310, OR-233; Pentek 151231, OR-233; US Filter OR-233; Watts WP113045
Molded from NSF 61 certified buna-n rubber for safe and clean drinking water. Manufactured and warrantied by Captain O-Ring LLC. Proudly assembled in the USA!