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Your cart is empty.Water Filter Housing Replacement O-Ring Set Compatible with Ametek WWHC-2 / American Plumber WWHC-2. We recommend consumers keep a spare o-ring on hand to avoid urgent situations. This set of two o-rings will accommodate filter housings which require large diameter cartridges. These cartridges have an approximate diameter of 4.5 inches. The o-ring itself actually measures approximately 5.465 inch (inside diameter). An o-ring facilitates a water tight seal between the water filter sump and the water filter head. The most common 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.
Nick Pusloskie
Reviewed in the United States on August 5, 2019
As the above line states, these rings do exactly what they were designed to do. Since the filters only came with 1 ring, needed these for future filter changes.
R (squared)
Reviewed in the United States on January 14, 2019
What can I tell you; they are rubber O rings that work. Hahaa
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