Quickun 1/2″ Barb Hose One Way Inline Check Valve Non Return Ozone Resistance PVDF Plastic One-Way Fuel Oil Water Gas Pump Air Check Valve, 2 Pcs

1.The pipe port designs a pagoda card slot, non-slip, good airtightness, the port outer diameter is available in 4 sizes, suitable for 3.2 to 9MM inner hole hose to connect, user-friendly design, easy to use2.Self-contained gas flow direction signs on the valve body for convenient installation. Avoid repeated installation and debugging work3.Under 25 Degrees Celsius ~ 135 Degrees Celsius environment works. Reliable quality, no need to worry about high temperature damage in the cabin4.Used in automotive system to prevent backflow of gases or liquids in the piping. One-way valves are commonly used in brake boosters – air conditioning damper ducts – exhaust valve ducts and wiper sprinkler ducts on automobiles. The one-way valve is widely used and can be reasonably used according to individual needs.