5-inlet Mini Access Chamber. Chamber risers, cover and frame sold separately. Flexible connections for all inlets allowing 10° of movement in any direction. Helps installer where connecting pipes are not perfectly aligned with MAC inlets. Variety of inlet combinations available for the MAC and the choices of chamber risers, 100mm (18835) and 200mm (11153) helps easy planning and installation of drainage system. Specifications: 300mm internal diameter. Maximum depth of MAC 600mm (base + 1 x 100mm x 1 x 200mm risers) including lid.