Nexus Access Chamber 600 x 600 x 150mm Duct Entry is a unique patented twin-wall access chamber system which comprises of high-quality polypropylene modules that are assembled into ring sections before delivery. The system offers to raise ring and duct entry ring sections. For ducts exceeding the standard 64mm and 114mm diameter entry points, the raising ring can be core-drilled on-site to accommodate all sizes of the duct.
