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NDS PVC Check Valve 1-1/2 Inch$8.49
Made of High-Impact PVC type II material. 1/2 lb spring gives positive seal with no back pressure. Reinforced Poppet.
Designed for any system where back flow is not desired. Spas, swimming pools, industrial and irrigation. Complies with all applicable ASTM and ANSI standards.,Made of High-Impact PVC type II material.
1/2 lb spring gives positive seal with no back pressure.