Unperforated Twin Wall Pipe 600mm 280mm-shallow-access-inspection-chamber-base Also available with an Air

Also available with an Air Blower Function Alarm

Triple socket branch for 300mm (ID)/353mm (OD) twin wall pipe with a 45 degree spur for 150mm (ID)/178mm (OD) twin wall pipe

Incorporating traditional cast iron detailing with all the benefits of a plastic system

Depth: 2000mm

Enables water to flow from gutter into downpipe

Unperforated Twin Wall Pipe 600mm 280mm-shallow-access-inspection-chamber-base Also available with an AirAn 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