Features 1、Threaded Port: Comes with 3/4‑16UNF thread, the exhaust tube ensures firm connection with extra stability. 2、Smart Design: Sturdy structure enables reliable working performance, which will surely improve work safety. 3、Broad Utility: Has 12mm outer diameter, the hose is widely used to connect air compressors as exhaust pipes. 4、Good Material: Mainly made of copper coated aluminium alloy, which has great durability against corrosion. 5、Easy to Install: Designed to have a compact size and a light weight, the installation is very convenient. Specification Item Type: Air Compressor Exhaust Tube Thread Interface: 3/4-16UNF Aluminium Tube Outer Diameter: Approx. 12mm / 0.47in Function: Air Compressor Exhaust Tube Model V Shaped Dual Cylinder 2051/3065 2065 1051 Length(Distance Between Ports) (Approx.) 18cm / 7.09in 23cm / 9.06in 25cm / 9.84in 30cm / 11.81in Package List 1 x Air Compressor Exhaust Tube