Product description
The G961 Vertical Extension Sleeve has been designed for use with the Manthorpe range of Telescopic Underfloor Ventilators. Each extension sleeve allows the vent to reach a further two brick courses vertically. The sleeve can also be fitted to the base of the underfloor vents to provide a longer horizontal extension through larger cavities.
Product details
Colour
Black
Length (mm)
235
Width (mm)
215
Depth (mm)
50
Manufacturer Brand Name
Manthorpe
Manufacturer Product Code
G961
Barcode
5038108000955
Key features
- 6,600mm² airflow
- Quick and easy push fit assembly with the underfloor vents
- Allows an extra 2 courses vertically or 180mm horizontally per unit
- Allows ventilation to deeper underfloor voids
- Maintains an unobstructed airflow path through the wall
- Additional depth and cavity span