Use with 5-inlet inspection chambers. Can be cut to size in 60mm increments with an additional 60mm at the top. Can use a maximum of 12 risers to meet the maximum inspection chamber invert depth of 3m.
 
 
 
Polypropylene
 
 
Installs to Depths of 10m
 
 
Ring Seal Joints
 
 
Suitable for Gravity Drainage & Sewerage
 
 
Effective Height 235mm