Dust, pollen, smoke removal is how well a model cleared air of fine clay dust and cigarette ... Overall score for the FilterBuy MERV 11/Gold is mainly how well the model removed dust and smoke ...

The higher the MERV rating on a filter, the fewer dust particles and other contaminants can pass through it. The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE ...

The Aerostar MERV 11 Pleated Air Filter can filter out particles as small as one micron. Because it does this with an electrostatic charge, it also provides plenty of airflow for the furnace.