1/2" Check Valve Brass Backflow Valve Durable One-way Valve Oil Water Gas

Label:Yes 100% Brand new and high quality Thread: 1/2" Function: Prevent water backflow Material: Brass Name: Check Valve Notice: 1. The real color of the item may be slightly different from the pictures shown on the website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. Thank for your understanding. 3. 1cm=0.39''.

Package Included: 1x One-way Valve