Suitable for use in natural/passive or mechanical ventilation systems and in soil and vent applications, this OFT4 Flat Roof Vent/Terminal includes a flange ideal for use with an Asphalt roof covering. Featuring a special low air resistance cowl, it has an airflow/pressure resistance of less than 1.0 Pascal at 225m³ per hour.

Brand Name	Ubbink
Colour	Black
Material	Asphalt/Polyethylene
Manufacturer Model No	N/A
Wear Type	N/A
Type	Vent Terminal
Certifications Met	N/A
Country of Origin	N/A
Protects From	N/A
Waterproof	N/A
Number of Pockets	N/A
Diameter	110mm
Stack size	131mm
Reducer size	110mm
Depth below roof	350mm
Height above roof	300mm
Flange diameter	395mm
Weight	1.78kg
Fitting Type	Gasket