Unperforated Twin Wall Pipe 225mm 280mm-shallow-access-inspection-chamber-base A drive in stake for

A drive in stake for brick or stone work

The Harlequin CAP12 is a compact sewage treatment plant designed specifically for larger domestic or small commercial installations of up to 12 people

for use with 280mm diameter Shallow Inspection chamber

6m3/h) and a shut off valve

Pipe is fully perforated and has 3 perforations per corrugation

Unperforated Twin Wall Pipe 225mm 280mm-shallow-access-inspection-chamber-base A drive in stake forAn unperforated plain ended twin wall pipe, manufactured from recycled HDPE. Utilising a twin extrusion process, the two layers are simultaneously extruded one inside the other and heat welded together in one continuous step. The outer wall is corrugated providing excellent structural strength which reduces the possibility of on site damage. The inner wall has a smooth seamless finish to assist hydraulic flow. The design unlike traditional single wall