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Check Valves
How to choose a Check Valves?

The important part for any pool is the valves attached to it. The Major Pool Supplies offers Spears S152020 PVC 2-Inch White Utility Swing High Performance Check Valve that is compact and is best for landscape and irrigation, pool and spa and aquaculture. Stenner MCINJ38 3/8" Injection Check Valve - 5 Pack can be used for injecting chemicals into pipelines.