y-spring check valve. 1 inch brass spring assisted y check valves. view of the front and back. with marks of technical characteris

accessory adapter aquatic assisted back background brass brassy characteristics check component connection connector coupling dn25 element equipment female filter fitting fittings front inch internal isolated marks mesh metal metallic pipe pipeline piping plumbing pn15 spring stainless technical thread threaded tool tube tubing valve valves view water white