They also don't last longer than 30 days, so they will need to be changed monthly. Pleated filters are made with cotton or polyester folds, and offer better filtration than fiberglass versions.

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 ...

It’s MERV 6, better than many non-pleated filters. $25.25 at Amazon To control airborne pathogens, including bacteria and mold spores, you need a high-efficiency filter. The disposable Filtrete ...