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Vent Filters - Pack Of 24

Your home furnace recirculates warm air-and lots of dust! But these handy vent filters trap the dust. Just cut to fit, and slide into your air vents. Vent filters are good for allergy sufferers, won't reduce airflow if you change about every 12 weeks. Unscented, polyester fiber, pack of 24, each 10" x 4".