6/8/10/12mm Check Valve Aluminum One-way Check Valve Fuel Water Vapor/air 0.2-6 Bar Check Valve For Fuel Systems For Automobiles
https://www.vogueparade.com/shopping/EN/200282142/1/1005003688432616/681012mm-check-valve-aluminum-one-way-check-valve-fuel-water-vaporair-02-6-bar-check-valve-for-fuel-systems-for-automobiles/