Watts RK 909M1-S-SS - Part of the RK-909 Series Nonwoven Fabric The soil hydrology is not

The soil hydrology is not adversely affected

This is an advantage as with any root barrier the joint is the weakest point where if roots were to breach the barrier it would most likely be at a joint section

Dura-coated cast iron body built for strength and corrosion resistance

and environmental safety

This product can be used both above and below ground

Watts RK 909M1-S-SS - Part of the RK-909 Series Nonwoven Fabric The soil hydrology is notFeatures Factory Replacement Kit No special tools required for changing parts All parts are made of high quality materials Specifications Kit Type Seat Kit Lead Free YES Product Group BACKFLOW KITS UPC 098268386455