Product Review

The O-RING-SET contains 3 pieces of 3.5 in. O.D. standard industry size O-RING use to prevent leaks when customer need to change 3 pre-filter of 10 in. standard under sink reverse osmosis system. Recommend to change all O-RINGs once open the housing. Lubricate with clean lubricant and place in grooves below thread to prevent water leaks.

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