https://www.jpcorry.com/jp-corry-products/hdpe-twin-wall-carrier-pipe-c-w-collar/
HDPE Twin Wall Carrier Pipe C/W Collar
HDPE Twin Wall Carrier Pipe C/W Collar
HDPE Twin Wall Carrier Pipe C/W Collar
Description

The Very First Twinwall Surface Water Drainage System In The Uk With Highways Authority Product Approval Scheme (Hapas) Status, Ridgidrain Is Used For Non-Pressurised Surface And Sub-Surface Drainage Applications. It Has A High Strength To Weight Ratio, Plus The Flexibility To Resist High Traffic Loads With A Design Life In Excess Of 60 Years.

v1.2.3.1