1-1/4" Check Valve WOG 1000 Spring Loaded In-line Stainless Steel SS316 CF8M NEW Stainless steel check valve with low cracking pressure and excellent corrosion resistance. Fluid Media: Water, Oil, *Biodiesel, Air & Other Fluids Body Material: Stainless Steel 316 Max Pressure: 1000 PSI For Water, Oil, Gas (WOG1000) Port Types: Female NPT x Female NPT.Package Included:1 piece x Check Valve