Use the Netafim indicator flag to indicate that your drip has pressure in it. Connect to your drip line and the flag will rise from the water pressure.
Drip irrigation is a great way to water your garden but if your drip tube is run under mulch or under a lawn it is important to see if your system is working or not. The Indicator Flag is a great way know if your system is working and it comes with an 8mm tube to easily connect into your poly or drip tube.