The Brett Martin Shallow Access Chamber Riser - 315mm is a robust ribbed riser for use in 315mm chamber assemblies in 110mm drainage layouts. Each riser provides 185mm of invert depth. A shallower depth can be achieved by cutting the riser with a fine tooth hand saw. This durable riser is manufactured to ISO 9001 standards.
185mm invert depth with each riser
Robust ribbed design
Manufactured to ISO 9001
Can be cut to size