Watts LFF115 THD B 2-30 PI 3 - Part of the LFF115 Series Sheet Drain Blackberry Root Barrier is an

Blackberry Root Barrier is an ideal material for keeping blackberry bushes under control

It consists of an internal polymer coating

This 3 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of water of non-potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements

and an atmospheric vent to prevent spilling

Maximum working pressure is 200 psi (13

Watts LFF115 THD B 2-30 PI 3 - Part of the LFF115 Series Sheet Drain Blackberry Root Barrier is anThis 3 inch ACV is armed with ArmorTek, a patented 3 part advanced epoxy coating system designed to limit both microbial induced (MIC) and exposed metal substrate corrosion. This pressure reducing control valve is designed to automatically reduce a fluctuating higher inlet pressure to a constant lower downstream pressure regardless of varying flow rates. The quick closing action of the valve limits possible damaging high inlet pressure from passing