This set is suitable for case, where one turbine is not strong enough to provide sufficient ventilation. Typical uses for this set are multi-storey buildings (7 plus storeys). The set contains 2 of the most powerful Lomanco TIB 14" turbines in aluminium, a splitter and a square base. The base and splitter are made of galvanized steel.
Using two turbines fitted on one outlet increases the ventilation rate
Splitter and base are made of galvanized steel
Lomanco turbine - Lifetime warranty