The Filtrete
300 Dust and Lint is part of the
Air Filters test program at
Consumer Reports. In our lab tests, Furnace Filter, Air Conditioner Filter & Air Filter
models like the 300 Dust and Lint are rated on multiple criteria, such as those
listed below.
Dust, pollen, smoke removal (high):
How well a filter clears air of dust and smoke when air passes through it at a high speed (usually during heating).
Dust, pollen, smoke removal (low):
How well a filter clears air of dust and smoke when air passes through it at a low speed (usually during cooling).
Airflow resistance:
Airflow resistance reflects how freely air passed through the unit.
