American Plumber W34-OR O-Ring (2 pack)
The Pentek 151120 is compatible with the following filters:
Pentek #10, #12, and #20 housings with 3/4" inlet/outlet connections,
Pentek 150071 Ace Hardware 45025, 46764, 46764
American Plumber W34-PR, WC34-PR, WV34, WVC34
Ametek Kleen-Plus PSCL-SI / PSCL-S1, PS-OO / PS-00, PVHCL-SI / PVHCL-S1
Culligan HF-150, HF-150A, HF-160, HF-360
DuPont WFPF38001C Omnifilter WH1, WH5, WH12, OB1 (Series A), U25 (Series E)
Aqua-Flo 26264 The 151120 o-ring is a direct replacement for the following other part numbers:
Ace Hardware 46766 American Plumber 152030,
W34-OR Ametek Kleen-Plus 151120-03,
OR-34 Culligan 01019184,
151120-27 DuPont WFAO150 Everpure EV311240 Hydrotech 151120,
34002028 Omini 19125 Omnifilter 151120 Pentek 151120,
OR-34 Pura 151120 Sears 900375,
STD302241 US Filter OR-34 Waterway 805-0241