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The Culligan OR233 is a reliable 3/8 inch water filter O-ring designed for under-sink installations. It ensures a tight seal for optimal performance in water filtration systems. This O-ring is essential for preventing leaks and maintaining functionality.
This O-ring is recommended for use in a variety of under-sink water filtration applications.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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