Specification Brand : Rolair BulletPoint : Rolair CV4X4TWB Check Valve W/Bleeder 1/2X1/2 BulletPoint1 : [Size] - Tube Inner Diameter: 4mm / 0.16"; Tube Outer Diameter: 5mm / 0.2"; Overall Size: 17 x 34mm / 0.7"x 1.3"(W*H) BulletPoint2 : [Application] - Commonly utilized in various sectors such as water treatment, air purification, automotive components, machinery, devices, household appliances, and more. BulletPoint3 : [Advantage] - Made from PP plastic material with good sealing performance, safety, and durability. The inner gasket is made of silicone rubber, can be resistant to 392℉(200℃) temperatures, and is suitable for drinking water, hot water, air, and steam, but not suitable for petrol. BulletPoint4 : [Instruction] - A check valve is utilized in a fluid system to stop the backward flow of fluid or in a pneumatic system to prevent the backflow of compressed air. BulletPoint5 : [Note] - Please check the outer diameter before buying, make sure it will fit your hose. Color : One Color Department : Unisex Adult ExternallyAssignedProductIdentifier : 7320488076056 ItemName : Rolair CV4X4TWB Check Valve W/Bleeder 1/2X1/2 ItemPackageDimensions_Height : 0.79 inches ItemPackageDimensions_Length : 5.51 inches ItemPackageDimensions_Width : 3.94 inches ItemPackageQuantity : 1 ItemTypeKeyword : industrial-check-valves Manufacturer : Rolair Material : Metal ModelName : VCIMZUL ModelNumber : VCIMZUL NumberOfBoxes : 1 NumberOfItems : 5 PartNumber : CV4X4TWB ProductDescription : Rolair CV4X4TWB Check Valve W/Bleeder 1/2X1/2 ProductSiteLaunchDate : 2015-06-24T20:43:36.141Z Size : 3/16" Dia SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 40141600