Discover the Manthorpe Dual Extended Underfloor Vent, designed for optimal airflow and compliance with Building Regulations. Accommodating increased insulation depths, it eliminates the need for extension sleeves with its telescopic design. Compatible with the G930 Combination Airbrick, it delivers an impressive 8,000mm² airflow capacity, ensuring efficient underfloor ventilation.

• Complies with Building Regulations for underfloor ventilation.
• Telescopic design eliminates additional extension sleeves.
• Compatible with G930 Combination Airbrick.
• Offers 8,000mm² airflow capacity for efficient ventilation.