This 6-Pack Of 1/2" (12Mm) Hose Barb One-Way Check Valves Is Designed For Fuel Oil Water Air And Gas Applications. Made From Durable Pvdf With A Silicone Rubber Diaphragm These Valves Prevent Countercurrent Flow In Fluid Systems And Reverse Flow Of Compressed Air In Pneumatic Systems. They Are Suitable For A Wide Range Of Industries Including Water Treatment Air Purification Automotive Machinery Medical Equipment And Household Appliances. Each Valve Has A Total Length Of 43Mm (1.69 Inches).
