Features： * Application: This Check Valve Is Designed To Use With Pentair Rainbow Automatic Chlorine/Bromine In-Line Pool And Spa Feeder Model 320. * High Performance: This Check Valve Keeps Water Flowing In The Correct Direction Through The In-Line Feeder. * High Tensile Rubber Structure: This Check Valve is made from premium rubber, which is rust-resistant, corrosion-resistant. Designed using state-of-the-art technology with the client in mind. It will meet your needs and provide excellent quality at an affordable cost. .
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