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Whether you're working with potable liquids or compressed air, these inch-sized valves come in multiple dimensions and materials to meet the needs of various applications.
The most common use for our OD valves is residential and business water supply and filtration. John Guest offers a variety of chemical resistant, polypropylene valves to fit your needs, including refrigerator water line shut off valves and angle valves for sinks. Explore our plastic water shut off valves below to find a solution for every need.