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Quantity
1
O-Rings are essential for leak-free performance. They are made of high-quality rubber that is lightweight and durable. They seal housings keeping the water where it should be. Over time O-Rings deteriorate, so it's always recommended to cha...
Reviews
4.3
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purchased to change RO filters.
R
Robert · May 22, 2026
This was perfect for ro units. The big box stores and most plumbers don't have what you will need.