ITEM NAME:5Px6mm Plastic Check Valve Barbed Non-return One Way Ozone Fluorine Rubber Valve Product Description: Model: fluoro rubber check valve; Product specifications: For example, Φ6mm refers to a hose suitable for a sleeve with an inner diameter of 6mm, and so on; Product material: The valve body is made of PP material, and the plug is made of fluororubber material; Product features: ozone resistance, oil resistance, acid and alkali resistance, corrosive gas or liquid can be used; Specific pressure range Opening pressure: 0.002MPA (0.02 kg water pressure) Reverse back pressure: 0.7MPA (7 kg water pressure) Package Include: According to your Choose!.Product features: ozone resistance, oil resistance, acid and alkali resistance, corrosive gas or liquid can be used;. Model: fluoro rubber check valve;. Product material: The valve body is made of PP material, and the plug is made of fluororubber material;.