Manthorpe

Manthorpe Vertical Extension Sleeve Black G961

£3.46 INC. VAT
£2.88 EX. VAT
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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

Spec Sheet

50 x 235 x 215mm
7,000mm²
150mm
2 Extra Courses
Extra 180mm
Polypropylene
Injection Moulded
Yes

Instructions

Instructions

Course Calculator

 

 

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