Lightweight Check Valve with inlets consisting of 1/8", 3/16" or 1/4" hose barbs. Outlet sizes include: 1/8", 3/16" or 1/4" hose barbs and 1/8" Male NPT. Valves are available without a spring or 302 Stainless Steel (available with 316 Stainless Steel ball) or Hastelloy (available only with PTFE ball). Body materials include: White Nylon, Polypropylene or Kynar. 125 psi maximum operating pressure and 140 ºF maximum operating temperature.