Air Release Valve Kit Material_Lilac (Recycled Water) This particular tubing has a

This particular tubing has a 4mm internal diameter and 7mm outside diameter

Dripper flow rates: 3

Waters up to 10 metre diameter

such as Blue Line PN12

O-Rings: EPDM rubber

Air Release Valve Kit Material_Lilac (Recycled Water) This particular tubing has aAir Release Valves should be fitted to the highest point in your drip system to release air pockets from the system. This prevents dirt from sucking back into the dripline when it empties. This is the most common cause of dripline blockage. KIT INCLUDES: 1 x 1 2" Hunter Air Vacuum Release Valve 1 x 1 2" BSP Threaded Socket 1 x Poly Riser Grey 155 x 15mm BSP 1 x 19mm x 1 2" Female Threaded Tee (suits 19MM LDPE Pipe) Check out our blog on accessories in