Greenwood Vireo G3 Filter for HR185WM & Zehnder CA185WM under-50 It is a system of

It is a system of whole house ventilation that supplies continuous ventilation and extraction from multiple rooms in single property simultaneously

Alternative switch ZGS2 provides 2 speed selection - Low or High only

B and BH heat recovery units

AVT200B 200mm B Aventa Turbo - 790 m3/hr

MVHR/MEV ventilation runs and pipes for water supply

Greenwood Vireo G3 Filter for HR185WM & Zehnder CA185WM under-50 It is a system ofGreenwood Vireo HR185FIL filter for the Greenwood Vireo HR185WM. Each set contains 2 x G3 filter.. Please note, when replacing filters on your Greenwood heat recovery unit it is always necessary to also reset the filter change timer on the unit otherwise the service light will not go out. These units work on a calendar timer basis and simply changing the filters will still present the same issue as the heat recovery unit has to be told by the user