Filters airborne allergens including dust, dirt and pollen. Reduces dust and dirt buildup in air ducts, air conditioners and furnace systems. Filter is made of a synthetic material for resistance to growth of bacteria, fungi and mold. More efficient than fiberglass filters. Cardboard frame.
Standard grade furnace filter with a filtering medium of continuous filament spun glass. Offers maximum airflow and alleviates strain on equipment. Filters pollen, pet dander, dust/lint, and dust mites. For peak equipment protection and energy efficiency, filters should be changed monthly in periods of high use.
Do it Best MERV 6 efficiency rated HVAC (Heating Ventilation and Air Conditioning) air filters are 5 times more effective than standard fiberglass filters. Protects furnace and central air equipment from household dust and lint. Effective for up to 60 days. Gray label.