Water Filter Housing Replacement O Ring for Pentek Filter 2.5 Inch

Water Filter Housing Replacement O Ring for Pentek Filter 2.5 Inch. This o ring will accomodate filter housings which require 2.5 inch diameter cartridges. The o ring itself actually measures approximately 3 7/8 inches (inside diameter). We recommend consumers keep a spare o ring on hand to avoid urgent situations.

Replacement for:

• Pentek 15066 20 inch length, valve in-head feature with opaque sump
• Pentek 150072 10 inch length, transparent sump
• Pentek 150070 20 inch length, blue sump
• Pentek 150437 10 inch length, clear sump
• US Filter 150398 10 inch length, valve in-head with clear sump
• Ace Hardware model # HF-150ACE

Part #151121 replacement o ring for Pentek water filter. Can be used with housings which accomodate the industry universal 2.5 inch cartridge width. This o ring is compatable with water filter housings marketed under the following brands: Ametek, Pentek, Culligan, Kleen Plus, Plymouth Products, Pentair and U.S Filter (2.5 inch cartrdige size).

An o ring facilitates a water tight seal between the water filter sump and the water filter head. The most common o rings (o-rings) used in water filtration are made from Buna N material. Buna N is also commonly referred to as nitrile. This is the ideal choice for cold water filtration because they are inexpensive and have superior performance characteristics.