Ubbink Multivents are specially designed for systems requiring a low resistance terminal. The multivent service terminals are suitable for mechanical and natural (passive) ventilation installations.
Multivents are suitable for roof pitches of 25º - 45º and comes complete with flashing - a universal base for both tiles and slates (160mm dia).
The free vent areas of the units are:
The pressure airflow resistance of both units is <1.0 Pascal at 225m³/h