Polydrain 450mm Diameter Inspection Chamber Base Riser
This riser is intended for use on the Polydrain 450mm Inspection Chambers.
Ribbed design increases product durability.
Supplied with sealing ring - S450
Polydrain 450mm inspection chamber complies with the following standards and building regulations:
BS EN 13598: 2010
Building Regulations Part H (Maximum invert depth of 1.2m)
Diameter - 320mm
Effective Height - 235mm
Estimated Delivery 3-5 working days
Delivery charges applied at checkout.
Delivery Policy can be viewed here