Clark-Drain 300mm diameter clear opening square to round polypropylene recessed cover and frame with 35kN load rating classification.
Corrosion resistant
Includes frame
Square to round frame with integrated step design
Circular opening fits all major manufacturer's of PPIC shallow inspection chambers
Driveway loading
Integral lifting keys
Cover can be turned to match direction of paving
Eliminates the need to cut paving around a circular opening
Recessed for block paving or slabs up to 60mm thick