Ideal for use in soil and vent applications and for mechanical ventilation or natural/passive systems, this Twin Wall OFT4 Flat Roof Vent Terminal from Ubbink features a flange suitable for use with a PVC roof covering. With a unique low air resistance cowl, it has a pressure/airflow resistance of less than 1.0 Pascal at 225m³/h.

Brand Name	Ubbink
Colour	Black
Material	Asphalt, Polyethylene, PVC
Manufacturer Model No	N/A
Wear Type	N/A
Type	Flat Roof Vent Terminal
Certifications Met	N/A
Country of Origin	N/A
Protects From	N/A
Waterproof	N/A
Number of Pockets	N/A
Diameter	166mm
Weight	1.72kg
Height above roof	400mm
Depth below roof	350mm