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FILTRETE FILTERS ARE CURRENTLY UNAVAILABLE DUE TO A NATIONWIDE SHORTAGE THAT IS AFFECTING ALL SUPPLIERS.
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Air King Air Filters
These Air King replacement humidifier belts are designed to be installed in the Air King brand Flow-Through and Drum Style Furnace Mounted Humidifier units. Available model numbers for this product include 300, 400, 410, 900, 4500, and AK4500. All replacement humidifier filter belts for the Air King humidifiers have approximate dimensions of 7-1/2″ H x 26-1/2″ L x 1″ Thick.