A Non Return Valve allows flow of water ‘one way’ and will prevent ‘backflow’ and ‘siphoning’ in your dripper/delivery system. These good quality plastic valves are serviceable in situ.

Non Return Valve Barbed Available in 3 Sizes:

• 16mm (1/2ins)
• 20mm (3/4ins)
• 12mm (3/8ins)- out of stock currently