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  5. Manthorpe Underfloor Vent Extension Sleeve

Manthorpe Underfloor Vent Extension Sleeve

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Manthorpe underfloor vent extension sleeve designed for use with the Manthorpe range of Telescopic Underfloor
Ventilators.

Product Features:
• 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
• Size – 50 x 235 x 215mm

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