Vacuum Hose Slide Valve, Compatible Lubricants Acetone, Alcohol, Dish Detergents, Ethyl, Gasoline, Grease Lacquer Solvents, Oils, Sodium Hydroxide, Non-Threaded Connection Diameter 2 1/2 in, Connection Thread Size Not Applicable, Connection Thread Type Not Applicable, Connection Thread Gender Not Applicable, Product Type Vacuum Hose Slide Valve, Resistance Properties Corrosion Resistant, Water Resistant, Material Acetal, Includes Slide Valve, For Use With 2 1/2 in Vacuum Hose Systems. This item has been restricted from sale in the following state (s): []