The Type W Extension Duct transforms the standard Type W into a 305mm straight-through model with its easy push-fit mechanism. The innovative design also allows it to be used for extending the Type W when installed within a solid retaining wall, facilitating effective moisture release.

Brand Name	Cavity Trays
Colour	Grey
Material	Polypropylene
Manufacturer Model No	TYPE W EXT DUCT
Wear Type	N/A
Type	Duct
Certifications Met	N/A
Country of Origin	N/A
Protects From	Moisture
Waterproof	N/A
Number of Pockets	N/A
Dimensions	200/225 x 65 x 10mm
Compatible with	Type W
Features	Interconnecting facility