These Cross Flow Panel Vents are designed to provide a clear air gap between the roof felt and loft insulation in the roof space. Suitable for 600mm Rafter Centres, this product can provide a free airflow of 25,000mm² per metre (17,000mm² per panel), equivalent to a continuous gap of 25mm.

Brand Name	Manthorpe
Colour	Black
Material	PVC
Manufacturer Model No	G620
Wear Type	N/A
Type	Vent
Certifications Met	N/A
Country of Origin	N/A
Protects From	N/A
Waterproof	N/A
Number of Pockets	N/A
Rafter Width	600mm
Airflow	25000mm2