Roof Terminal OFT-4 131 Bitumen Flat Roof
Article number: 147008
The OFT/4's have a special low air resistance cowl - the pressure/airflow resistance is <1.3 Pascal at 225m³/h. The pipework above the roofline is twin walled and incorporates an integral condensation drain. This terminal is suitable to extract domestic single fans, high output cooker hood extraction fans and heat recovery ventilation.