Barbed at one side to fit securely into the end of 1/16 inch tube.

The Drippers are NOT adjustable - the rate of water is adjusted at the Ceramic Probe. 

To maintain efficiency the black screw on the top of the Dripper can be removed for cleaning. 

Dimensions: 1 inch (2.5cm) high x 3/8 inch (1cm) wide. 

Please note: designed for use as part of the Tropf Blumat Drip Watering System ONLY.