Wavin 450mm diameter Universal Inspection Chamber Range provides access from surface level to Wavin below ground 110mm and 160mm gravity drainage and sewer systems. It is available in 3 flow profiles. EN124:A15 loading - areas inaccessible to motor vehicles using polypropylene covers - D8936 or D8965 EN124:B125 loading - areas accessible to motor vehicles using ductile iron cover and frame D8924 along with a concrete plinth 110mm straight channel with four 110mm (2 x 45° and 2 x 90°) left/right hand branch entries Universal IC can be use to a max 1.0m invert depth