Boltigen 2PCS Solid Brass Spring Check Valve, 1/2 Inch NPT Female Thread Non-…

Manufacturer: Boltigen. Size: 1/2″ NPT. Spring Check ValveThe 1/2″ NPT check valve is designed to allow the flow of fluid in one direction while preventing backflow in the opposite direction. It with stainless steel spring, both vertical and horizontal installations are allowed.