Pentair Check Valve 50mm - Essential Swimming Pool Fitting.Ensure smooth and efficient water flow in your swimming pool system with the Pentair Check Valve 50mm. This indispensable swimming pool fitting guarantees optimal performance, preventing backflow and maintaining water circulation integrity. Crafted with precision and durability by Pentair, a trusted name in pool equipment, this check valve is designed to withstand the rigors of pool environments. Invest in reliable quality for your pool infrastructure with the Pentair Check Valve 50mm, your assurance of uninterrupted aquatic enjoyment."