Description
160mm x 450mm Underground Drainage Manhole Base 5 Inlet With 4 Inlets 2 X 110mm & 2 X 160mm inc 3 Socket Plugs .
( Use Riser AR450 With This Manhole Base From The Southern Depot)
NB: Restricted opening of 350mm diameter at ground level must be employed for chambers deeper than 1.2m
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