Universal 6 Metre Fascia Roof Vent Pack Eaves Ventilation Airflow size:10mm² 15 x 12mm ( 1/2

15 x  12mm         ( 1/2 inch )15 x  16mm           ( 5/ inch )12 x  20mm         ( 3/4 inch )12 x  25mm            ( 1 inch )6   x  32mm      ( 1 1/4 inch ) Measurement is the tool hole size

CFCs or indeed any of the so-called soft CFCs

For brick stone masonry and concrete

Extracts up to 85m per hour (23 litres per second)Suitable for a standard 4" ducting

2 x Hose clips

Universal 6 Metre Fascia Roof Vent Pack Eaves Ventilation Airflow size:10mm² 15 x 12mm ( 1/2Product Description Universal Roof Vent Pack Length: 6 Metres Roof ventilation pack. A complete, easy to fit ventilation system in one for roof refurbishments or new builds. Provides a practical and cost effective solution for roof ventilation requirements. Contiuous airflow 10,000mm 25,000mm per metre. With a 6 metre run of over fascia ventilators. 6 Metre roll eaves vent. 6 Metres of felt support trays. Complys with Building Regulations and British