Cherne® 041394 10" Test-Ball® Plug, Single-Size Underground 21-101 Blue Monster® ZERO® is ideal

Blue Monster® ZERO® is ideal for green buildings and LEED projects featuring environmentally-responsible construction

Holds charge for up 8-10 tank loads of water

If the GFCI trips as expected

While you’re performing an evacuation

indicator lights increase as the torque value is approached

Cherne® 041394 10" Test-Ball® Plug, Single-Size Underground 21-101 Blue Monster® ZERO® is idealCherne 041394 10" Test Ball Plug, Single Size Underground Cherne Single Size Underground Test Ball Plugs are designed for blocking flow, allowing for maintenance in sanitary and storm sewer systems. These plugs may also be used as a back plug for sewer air tests. Cherne Industries is a global leader in pipe plugs, blocking and testing. Safety & Instruction Manual Product Specifications: Nominal Size: 10 in. (250 mm) Deflated Diameter: 8. 75 in. (222