Usage Tips:10pcs Tube 6mm Water Push In Hose Couping Quick Connector Pneumatic Fitting Fittings Universal Durable Air Quick Fittings Tube OD 6mm 1/4 Inch Union Pneumatic Connectors. T type, made of PVC and brass material, durable and reusable. Push in design for connecting to the tube, provides secure connection, no extra sealing needed. Recommended Tubing Material: Polyurethane, Nylon, Polyethylene, Polypropylene. Suitable for 6mm or 1/4 inch tube. Pneumatic 3 Way T Shaped Connector Fitting for Air Water Pipe These push fittings can be used to connect air or water pipes. Helpful to extend the pipe area in the irrigation system. Specifications: Type: PE-6 Material: Plastic+ Brass Fluid: Air, Vacuum Scope of application: automation equipment Withstand pressure: 0-1 (MPa) Temperature: 0 to 60C Fits for Tube OD: 1/4 inch(6mm) Quantity:10pcs/set Color: Black&Blue(as pictures show) Specifications: Tube OD 6mm 1/4 Inch Union Pneumatic Connectors. T type, made of PVC and brass material, durable and reusable. Push in design for connecting to the tube, provides secure connection, no extra sealing needed. Recommended Tubing Material: Polyurethane, Nylon, Polyethylene, Polypropylene. Suitable for 6mm or 1/4 inch tube. Package Included: 10 x 6mm Tee Union Connectors Notes: Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement. Please leaving a message before you give the bad feedback,if the products have some problems. Thanks for your understandings.