Specification Brand : MroMax BulletPoint1 : 【Product Size】Tube Outer Diameter: 25mm/0.98"; Chuck Outer Diameter: 40mm/1.57"; Height: 40mm/1.57". BulletPoint2 : 【Material】Flange barb adapter is made of 304 stainless steel and surface is polished, anti-corrosion, rust-proof and durable. BulletPoint3 : 【Fit For】These aadapter rubber hose nozzles is KF25 to rubber hose and fit a 25mm/0.98" rubber hose. BulletPoint4 : 【Fast Connect/Disconnect】The ISO-KF flanges are often called quick flange fittings because they are quick to assemble. KF fittings are ideal for high vacuum environments (10-8 torr). BulletPoint5 : 【Wide Application】Flange barb adapters are commonly used to make connections between ISO-KF fittings and rubber vacuum hoses. Color : Silver ConnectorType : Coupling ConnectorType1 : Barb ConnectorType2 : Adapter ExteriorFinish : Stainless Steel ExternallyAssignedProductIdentifier1 : 887772895979 ExternallyAssignedProductIdentifier2 : 0887772895979 ItemDisplayWeight : 8.2 pounds ItemName : MroMax 304 Stainless Steel KF25 Flange to 25mm Rubber Hose Barb Adapter for Vacuum,Silver Tone 1Pc ItemPackageDimensions_Height : 13 centimeters ItemPackageDimensions_Length : 3.6 centimeters ItemPackageDimensions_Width : 9.9 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : barbed-hose-fittings Manufacturer : MroMax Material : Stainless Steel ModelNumber : MRO190910J-0058 NumberOfItems : 1 NumberOfPieces : 1 PartNumber : MRO190910J-0058 ProductDescription : Description: 1.This adapter rubber hose nozzles are KF-25 to rubber hose and fit a 25mm Inner Diameter rubber hose. 2.The flange size follows ISO-KF standard, They are commonly used to make connections between ISO-KF fittings and rubber vacuum hoses. 3.The ISO-KF flanges are often called quick flange fittings because they are quick to assemble. 4.They are made of 304 Stainless Steel. Specification: Product Name : Hose Barb Adapter Model : KF25 -25 Material : 304 Stainless Steel Finish: Polished Flange Size : KF25 Barb (Fit Hose Inner Dia.) : 25mm / 0.98-inch Total Height: 40mm / 1.6-inch Flange Diameter: 40mm / 1.6-inch Weight : 65.50g Package Content : 1pcs x Hose Barb Adapter Notice: The measurement allowed error is +/-1-3 cm.