Feelers 3/16" (4MM) One Way Inline Check Valve Non-Return One-Way Air Water Gas Check Valve Ozone Resistance PVDF, Pack of 4

【Material】The one way check valves are made of PVDF, and the Diaphragm material is silicon rubber.. 【Function】 These 3/16 Inch check valves are applicable for fluid systems to stop countercurrent liquids, or for pneumatic systems to prevent reverse flow of compressed air.. 【Size】Diameter: 3/16""barb, can fit 3/16"" hose ID; Total length: 43mm/1.69 inch. 【Performance】Strong Resistance to acid, alkali, salt corrosion ability, can be used for different types of liquid.Normal performance under 25 ℃ to 60 ℃.. 【Wide Application】Widely used in water treatment, air purification, automotive parts, machinery industry, medical equipment, household appliances and other fields.