Surface box extension ref.131 NV – len. 207 / REF.133 – len. 400

The surface box extension ref.131 NV – len. 207 / REF.133 – len. 400 provides protection and access to underground valves. Available with round, square and hexagonal shapes for network identification. When repairing roadways, the N°131 extensions can be inserted into the existing surface box and adjusted to the required height.

Available with round, square and hexagonal shapes for network identification.