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Your cart is empty.3.5" O.D. Replacement O-Ring For Reverse Osmosis Water Filter Housings, Black O-Ring Set
Chris Hougher
2025-08-15 13:34:11
Water filters
Don
2025-08-06 11:28:11
I was able to stretch them to fit
MCGYVER1
2025-08-04 11:50:14
They were supposed to be three and a half inches they turned out to be that believe 3 in they were marked wrong it wasn't Amazon's fault I think they just put them in the wrong bag at the factory but I couldn't use them I sent it back it was a great price 10 of them for the money
jerry mcdaniel
2025-03-26 17:47:49
Working as advertised
Jason777
2025-01-25 12:57:08
These o-rings did not fit my standard 10" filter housings. My housings have the small groove on the inside below the threads for the o-ring and these are approx 1/4 inch too small, much too small to even stretch into the groove.
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