Included: 20 pieces, high quality hard plastic fitting. Save time and build your drip irrigation system in one go. Anti-fall: Secure and easy installation. Press the barbed tee into the tube. Lock the tubing with screw caps. Use with drip dispensing tubing, Bubbler drip tubing and emitter line. Suitable for drip irrigation fittings for tubing with an inner diameter of 1/2 inch and an outer diameter of 0.6 to 0.63 inch (16 mm). Working pressure: up to 45 psi, 1/2 inch tubing can be split into 1/4 inch tubing Color: Green + Black Material: Plastic Package Contents: 20 x Irrigation Tubing Connector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.