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Made of Nitrile：
These replacements 157122 O-ring are used to seal water filter housings. It has an inside diameter of 5-1/2" and outside diameter of just over 5-3/4" and are made of nitrile butadiene rubber for flexibilicy and rasistance to abrasion and tearing.
Compatible with the following filter housings:
Pentek #10 and #20 Opaque Big Blue Water Filter Housings Pentek filters 150233, 150234, 150235, 150236, 150237, 150238, 150239, 150240, 150467, 150468, 150469, 150470, 150686, 150687, 150689, 150690, 150688, 150691, BBFS-22, BBFS-222
Ace Hardware 4001756 American Plumber 152032, W10-OR Ametek Kleen Plus 151122-03 Culligan OR-100, 151122-27, 01019189
PD
April 16, 2025
Worked perfectly for my DI water filtration device. Great price too.
Ranger Joe
January 19, 2025
I've only "test fitted" these O-rings, as I'm still using the factory original. I ordered these as spares and to have on hand for replacements when I change the filter cartridge.
TLD
December 30, 2024
I believe it’s bigger than what it says it is.
Cheryl O
November 16, 2024
These O rings are the exact replacement for our Pentair Pelican Big Blue. There is nothing fancy about them. They work and they cost less than buying from the OEM. I don't change ours out as often as requested, but at this price I might just start.
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