Accesso AIC450150B

Inspection chamber for use with 150mm twinwall systems


450mm diameter – Factory built inspection chambers, delivered to site as single piece units, ready to install, no assembly required.

All chambers feature a robust, impact resistant, rota moulded base. This model has 150mm twinwall rocker pipe connections to main channel and two further optional 150mm side connections at 90°, these have blind ends, that can be cut off on site if required.

Separate 150mm rocker pipes are available for side inlets, as well as adaptors, to offer 110mm and 160mm EN 1401 side connections or 225mm twinwall (outlet only). Base only – comes without any rocker pipes fitted.


  • Main channel pipework – 150mm twinwall
  • Optional side inlets – 2 x 150mm twinwall

Depths available

  • 500mm
  • 1040mm
  • 1560mm
  • 2020mm
  • 2384mm