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.
- 6,600mm² airflow
- Allows ventilation to deeper underfloor voids
- Additional depth and cavity span
- Allows an extra 2 courses vertically per unit
- Provides an extra 150mm horizontal extension through wider cavities
- Quick and easy push fit assembly with the underfloor vents
- Maintains an unobstructed airflow path through the wall
Specs
50 x 235 x 215mm
7,000mm²
150mm
2 Extra Courses
Extra 180mm
Polypropylene
Injection Moulded
Yes
Instructions
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