Drippers availalable in three different versions:-
The Flood Dripper is an unrestricted dripper for use in system where the flow of water has been through some kind of pressure regulator, or in smaller systems where equal pressure is likely anyway.
The Arrow Dripper is a 2 litre per hour regulated dripper for use with Wilma systems
The Octa-Mitter is an adjustable flow dripper.
Arrow Dripper 2 L/H
Octa-Mitter Adjustable Dripper