ITEM NAME:Stainless Steel 304 KF25-25 Flange to 25mm Hose Barb Adapter for Vacuum D7A4 Stainless Steel 304 KF25-25 Flange to 25mm Hose Barb Adapter for Vacuum D7A4 Package Content: 1 x Flange Barb Adapter Weight: 95g This adapter rubber hose nozzles are KF25-25 to rubber hose and fit a 25mm Iner D rubber hose. The flange size follows ISO-KF standard, They are commonly used to make connections between ISO-KF fittings and rubber vacuum hoses. The ISO-KF flanges are often called quick flange fittings because they are quick to assemble. They are made of Stainless Steel. Product Name : Flange Barb Adapter Model : KF25-25 Material : 304 Stainless Steel Barb (Fit Hose Inner Dia) : 25mm / 1" Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/-1-3 cm.