Dust, pollen, smoke removal is how well a model cleared air of fine clay dust and cigarette smoke when operating at its highest speed. A model that scores well for dust removal should perform ...

Dust, pollen, smoke removal is how well a model cleared air of fine clay dust and cigarette smoke when operating at its highest speed. A model that scores well for dust removal should perform ...

Its MERV 13 rating puts it squarely in HEPA territory. It’s capable of filtering out particles as small as 0.3 microns, but the furnace filter needs to be changed every 90 days to work as ...