CPC F24F 8/10 (2021.01) [F24F 13/085 (2013.01); F24F 13/28 (2013.01); F24F 8/175 (2021.01)] | 32 Claims |
1. A moveable ventilation system comprising a supporting frame having at least one plenum,
at least one biofilter module mounted on the plenum;
an impeller in the plenum for driving air through the biofilter module from an air inlet to an air outlet via a growth medium and a vegetation,
wherein the air inlet has one or more apertures directing air to flow across the biofilter module; and wherein the plenum comprises an open grill to enable air to be drawn though the biofilter module by the impeller, wherein the open grill comprises at least one cross bar for mounting the biofilter module.
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