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.
This is a standard grade furnace filter of the same type that has been protecting furnaces and central air conditioners around the world for over 50 years. The filtering medium is continuous filament spun glass. The frame is made with 1 continuous piece of chipboard to guard against corner separation.…
Filtrete high performance filters are effective at attracting and capturing 97% of large airborne allergens like pollen, mold spores, and dust mite debris. Captures microscopic allergens like dust, smoke and smog particles. Electrostatically charged filters. Includes a filter change reminder sticker. Lasts up to 12 months. Purple label.