Long time to use: the drip irrigation coupling is made of durable plastic, strong and water resistant for you to use with a long time, and you don't need ro worry the effect of using No leakage design: the connector drip tubing fitting's water pressure is 30 PSI, and ends grab tubing for a secure leak-proof connection and the twist lock adds extra hold to the tubing for a secure connection while you are using Simple to apply: you can install the tubing fitting by yourself without glue, tools or fixtures, just push the tube firmly on the barb to fit tightly without leaking, you can also use a hair dryer to soft the end of the tube before insertion Suitable occasion: our irrigation coupling is suitable for many occasions, it fits for most 16-17 mm drip irrigation pipes, and it can be also applied for elevated garden beds, residential, farm, greenhouse horticulture and agricultural watering applications What you get: the package includes 12 pieces 1/2 inch drip irrigation coupling, which can meet your various needs, enough for you to use in your daily life or as a backup Note: Small items, please keep from children under 3 years old. colour: blue Material: plastic Package Contents: 12 x Drip irrigation couplings Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.