Required for all permadrip installed underground. Fit the air/vacuum relief valve to the highest point of each drip line to prevent dirt entering the drippers.
Includes 16mm barbed tee on the base.
Air/Vacuum Relief Valve
Keeps drippers clear of dirt on sloping sites by preventing vacuums
From: £14.00 (excl VAT)
From: £16.80 (inc VAT)