The inspection chamber riser has a clear plastic opening with a 400mm effective height.and is suitable for use with products CDU353 & CD352. Simple to use by cutting to suit desired installation depth. Supplied complete with 1 number EDPM rubber sealing ring. Maximum depth allowed by building regulations is 600mm.


Manufactured by Clark Drain using black polypropylene and EPDM rubber

External dimensions 355mm diameter x 440mm high

Load rating classification of 35kn (3.5 tonnes)

Product weight 2.6kg

Compliant to relevant clause of BS EN 13598-1:2010