Zurn 3/8" x 3/8" Lead Free Wilkins 700XL Dual Check Valve (Union FNPT x FNPT)

Ideal for use where lead-free* valves are required. Designed for installation on potable water lines to protect against both backsiphonage and backpressure of polluted water into the potable water supply. The Model 700XL shall provide protection where a potential health hazard does not exist. Main valve body - Low Lead Cast Bronze ASTM B 584 Elastomers - Buna Nitrile (FDA approved) Polymers - Noryl ®, NSF Listed (1/4"-1/2") Delrin , NSF Listed (3/4"-1") Springs - Stainless Steel, 300 Series