G.A. Murdock Mur-lok 1/4" Quick Connect One Way Check Valve NSF/ANSI 58 Componen

Dual EPDM O-rings 0-150 p.s.i. pressure rating 301 Stainless Steel Spring 33°-140°F (1°-60°C) temperature rating Polypropylene Body/Collets for 1/4 inch tubing works with copper tubing as well Acetal Check Valve Insert, part has an arrow indentation to clearly point in the direction of water flow PREMIUM QUALITY - G.A. Murdock's line of Mur-lok Polypropylene Fittings are designed for fluid applications where risk of chemical attack and/or leak resistance is of concern