Watering the entire garden: these flag drippers are suitable for 1/2 inch trunk lines and also work well with 1/4 inch branch lines. You can use the branch lines to irrigate plants further, ensuring thorough watering of your whole garden.Practical design: equipped with shut-off valves and 2 barbed pipes in diameter, these drip emitters provide stable moisture for various crops, helping your garden thrive.Long-lasting use: predominantly made from quality plastic, these flag emitters feature excellent resistance to ultraviolet rays, avoiding corrosion or rust common with metal counterparts. They are not prone to disconnection or cracking, meant for long-term daily application.Water-saving: these drippers for drip irrigation efficiently control the flow of water per hour, significantly saving the water required for irrigation, thus adding convenience to your life.Colour: Black + Green + BlueMaterial: PlasticSize: Approximately 4cm in length, 2.1cm in widthPackage Contents:30 x 1 GPH irrigation flag dripper in black30 x 2 GPH irrigation flag dripper in blue30 x 4 GPH irrigation flag dripper in greenOnly the above package content included, other products are not included. Note: Light and different displays may cause the color of the item in the picture to differ slightly from the actual product. The measurement allowed error is +/- 1-3cm.