Netafim Combination Air/Vacuum Relief Continuous Acting Air Vent RootShield Plus WP and any type of rockwool

and any type of rockwool

All of the D-20 Series dosers include a manual bypass (on/off)

or safeguarding valuable items from moisture

Strong Swivel Hook and base magnets

Netafim Combination Air/Vacuum Relief Continuous Acting Air Vent RootShield Plus WP and any type of rockwoolNetafim Combination Air Vacuum and Continuous Acting Air Vents Proven design provides more air release capacity than other vents of similar size. Applications 1 and 2 Combination Air Vacuum and Continuous Acting Air Vents For discharge and intake of large volumes of air at pump and filtration stations, along mains and at the end of mainlines. For continuous air release at high points in pipe network or upstream of manifolds. Every 1,500 feet along