The Pentek 151120 / American Plumber W34-OR O-Ring is a replacement o-ring for all Pentek /American Plumber 3/4" I/O Filter Housings except the WH34 High Temperature Housing. Used in Standard 3/4" Housings and Valve in Head Housings. American Plumber part 152030. Pentek part number 151120. Also known as part number OR-34.
This o-ring fits housing model HF-360, PVHCL-S1, HF-160 and others.