Details: *100% brand new and high quality. *Made of high quality material, durable and practical to use. *Size: For use with any 1/4 Inch tubing size - 4 to 7 mm (Can also be punched into 1/2 drip tubing). *Prevent leaks and blowouts: These emitters are designed with an operating pressure: up to 25 PSI. If your system is over that number blowouts and poor performance will occur. *Design: Barb design ensures tubing will not slip out or blow off at high pressure and temperature *Eco-friendly: Provide water directly where you need it without any overspray *Easy to install: Install emitters directly into the 1/2 main line or branch off with 1/4 inch tubing and connect fittings to the ends *Color: As Pictures Show Package Contents: 50*Water Drippers Note: 1. The real color 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.