Osma 250mm Shallow Inspection Chamber with Base and Integral Shaft 4D960

Osma 250mm diameter Shallow Inspection Chamber range for use to a maximum invert depth of 0.6m (adoptable and non-adoptable) 250mm diameter base with integral shaft - Shallow Inspection Chamber 110mm straight channel with one 110mm x 45° branch entry either side of the main channel for use with 110mm OsmaDrain components Supplied complete with 2 profiled, blank-off plugs for use in unused side entries Chamber for use at maximum invert depth 0.6m (adoptable and non-adoptable) Compatible with 4D325 and 4D961 covers and frames