Replacement American Plumber W34-OR, 152030 Filter O-ring fits Pentek 151120 Water Filter Housing (5/Pack) Approximately 3.9" ID x4.15" OD x 0.14" Thickness Material: Buna-N (nitrile butadiene rubber) Direct replacement for Part Numbers: Ace Hardware 46766,Ametek Kleen-Plus 151120-03,OR-34, Pura 151120 fits：HF-360, PVHCL-S1, HF-160 Direct replacement for Part Numbers:
Ace Hardware 46766
Ametek Kleen-Plus 151120-03,OR-34
Pura 151120
US Filte50
Hydrotech 151120