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Control and balance airflow distribution
and enhance indoor air quality
Re-usable insulated plastic cover with R-7 total value
Fits over aluminum & steel vents alike (magnets attach to vent screws)
Cover is 4ft
REPLACEMENT FILTERS FOR FILTERED ALLERGEN RELIEF COVER (6-PACK) linear Control and balance airflow distributionThe average 6 room home collects 40 pounds of dirt, dust and allergens in its air ducts each year. The EPA estimates indoor air can be two to five times more polluted than outdoor air, ranking among the top 5 environmental risks to public health. Breathe easier and improve your homes air quality by filtering out allergens, dust particles and mold from your HVAC central air and forced hot air systems. Replace filters every 30 days for maximum
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