FloPlast Inspection Chamber Riser - 235mm Depth x 450mm Diameter

This riser is used in conjunction with our D910, D900 and 6D900 chamber bases to form an inspection chamber.The diameter of this riser is 450mm and the height is 235mm. The riser can be cut to size as required using any standard fine-toothed saw.When installing risers you should always ensure that the integral rubber seal is located in the bottom groove of the riser.If the height of the 450mm inspection chamber exceeds 1200mm a CLKS499 chamber reducing ring is required to ensure compliance with building regulations.