Parker Hannifin
Product Type: Check Valves
F9M4V-EP Parker Veriflo, F9 Check Valve, VeriCleanâ„¢, 1/4" x 1/4", Male Face Seal x Male Face Seal, 3000 PSI, Ra Electropolished, 316L Stainless Steel, Fluorocarbon Elastomer Seal, Ultra High Purity, Welded, Check Valve.