Today only, Home Depot has a selection of Honeywell Household Air Filters on sale for 38% off. The comparable Filtrete 1000 Allergen Reduction Air Filters sell for approx $40 for a 2 pack at Lowes.com. Home Depot has these air filters available in 16 sizes for $22.99 with free shipping. They previously sold for $37.29 each. This deal is valid today only.