Product FeatureProduct Feature1. Variable Models Can Be Widely Used In Every Kind Of Pneumatic Systems.2. High Circulation Performance: Bear The Same Flow With The Volume Of The Tubing Inside Diameter.3. Connect Tubing Easily And Conveniently. The Tubing Connection Portion Is Safe And Durable.4. The Threaded Portion Is Covered With Sealant And The M5 Thread Is Attached With A Sealing Gasket To Prevent Air Leakage Over The Connection Thread Portion.Installation And Removal Of Tubing1.1 Installation Of Tubing Grasp The Tubing And Slowly Push It Into The Fitting Until It Comes To A Stop. The Tubing Will Be Locked By The Spring Gasket.1.2 Removal Of Tubing Push The Release Button To Open The Spring Gasket So That The Tubing Can Be Released.Note: When Remove The Tubing, Make Sure The Pressure In The Tubing Is Zero.