Details: * .* Made of material, and practical to use.* Size: for use with any Inch 1/4 tube size-4 to 7mm (can also be punched into 1/2 drip tube).* Prevent leakage and blowout: these emitters are designed with an operating pressure: up to 25 PSI. If your system runs out, the number of blows and poor performance will occur.* Design: Barb design ensures that the pipe does not slip or blow out at high pressure and temperature* Eco-friendly: Provide water directly where you need it without overspray* Easy to install: install the entities participating in the system directly into the 1/2 main line or branch off with 1/4 inch pipe and connectors at the ends* Color: as pictures showPackage Contents: 50 * Water DrippersNote: 1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.