Replace：Ametek Kleen-Plus 151120-03, OR-34, Culligan 01019184, 151120-27, DuPont WFAO150, Hydrotech 151120, Omnifilter 151120, OR-34, Pura 151120, US Filter OR-34 W34-OR 152030 Water Filter O-ring for American Plumber Approximately 3.9" ID x4.15" OD x 0.14" Thickness Replace：Ametek Kleen-Plus 151120-03, OR-34, Culligan 01019184, 151120-27, DuPont WFAO150, Hydrotech 151120, Omnifilter 151120, OR-34, Pura 151120, US Filter OR-34