£16.98Exc VAT
£14.15 Inc VAT
SKU: MR450 / MS450

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