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Welcome to Clear the air Inc. the webs premier seller of quality replacement furnace filters.  You will find that we have the largest selection of products in all the hard to find sizes.  And if you donít find the size you are looking for just call us for a custom quote.   

Please use the links below or to the left to help narrow your search.  First select the type of filter, then the quality level (see MERV Chart), select your size, and we will ship them to your door for free. 

Clear The Air offers a 100% Satisfaction Guarantee - If you're not satisfied with a product you purchase from us you can return for a full refund - no questions asked. 

1" Pleated Filters 2" Pleated Filters 4" Pleated Filters
Aprilaire Filters Honeywell Filters Trane Perfect Fit Filters
Trion "Air Bear" Filters White Rodgers Filters

Merv 13 1" Furnace Filter 1" Merv 13 Furnace Filter (6 Pack)

Clear The Air Merv 13 filters are the best possible choice in residential HVAC filtration. Hospital-quality, advanced pleated technology, Our Green pleat is a cost effective means of upgrading your air quality, while maintaining low pressure drop and long service life. It removes 96% of allergens, fine particles, dust, pollen, dust mites, bacteria, mold spores, pet dander, smoke, gases & odors. This filter is the ideal choice for asthmatics.

Merv 13 4" Furnace Filter 4" Merv 13 Furnace Filter 6 Pack

Clear The Air Merv 13 filters are the best possible choice in residential HVAC filtration. Hospital-quality, advanced pleated technology, Our Green pleat is a cost effective means of upgrading your air quality, while maintaining low pressure drop and long service life. It removes 96% of allergens, fine particles, dust, pollen, dust mites, bacteria, mold spores, pet dander, smoke, gases & odors. This filter is the ideal choice for asthmatics.

Merv 13 1" Furnace Filter 1" Merv 13 Furnace Filter (12 Pack)

Clear The Air Merv 13 filters are the best possible choice in residential HVAC filtration. Hospital-quality, advanced pleated technology, Our Green pleat is a cost effective means of upgrading your air quality, while maintaining low pressure drop and long service life. It removes 96% of allergens, fine particles, dust, pollen, dust mites, bacteria, mold spores, pet dander, smoke, gases & odors. This filter is the ideal choice for asthmatics.

Merv 13 2" Furnace Filter 2" Merv 13 Furnace Filter (12 Pack)

Clear The Air Merv 13 filters are the best possible choice in residential HVAC filtration. Hospital-quality, advanced pleated technology, Our Green pleat is a cost effective means of upgrading your air quality, while maintaining low pressure drop and long service life. It removes 96% of allergens, fine particles, dust, pollen, dust mites, bacteria, mold spores, pet dander, smoke, gases & odors. This filter is the ideal choice for asthmatics.

Aprilaire "Space-Gard" Merv 13 Furnace Filter Aprilaire "Space-Gard" Compatible* Merv 13 Furnace Filter (2 Pk)

Clear The Air's Aprilaire "Space-Gard" Merv 13 filters are the best possible choice in residential HVAC filtration. Hospital-quality, advanced pleated technology, Our Green pleat is a cost effective means of upgrading your air quality, while maintaining low pressure drop and long service life. It removes 96% of allergens, fine particles, dust, pollen, dust mites, bacteria, mold spores, pet dander, smoke, gases & odors. This filter is the ideal choice for asthmatics.

Clear The Air's Aprilaire 'Space-Gard" Merv 11 filters are available in 2 sizes to replace SpaceGard models 2200 / 2250 / 2250.  Please see the technical specs of you are unsure of the size you need

Our Price: $79.99 (Free Shipping)
Honeywell Merv 13 Furnace Filter Honeywell Merv 13 Furnace Filter (2 Pack)

Clear The Air's Honewell Merv 13 filters are the best possible choice in residential HVAC filtration. Hospital-quality, advanced pleated technology, Our Green pleat is a cost effective means of upgrading your air quality, while maintaining low pressure drop and long service life. It removes 96% of allergens, fine particles, dust, pollen, dust mites, bacteria, mold spores, pet dander, smoke, gases & odors. This filter is the ideal choice for asthmatics.

Clear The Air's Honeywell Merv 13 filters are available in 2 sizes.  Please see the technical specs of you are unsure of the size you need

Our Price: $69.99 (Free Shipping)
Trion "Air Bear" Merv 13 Furnace Filter Trion "Air Bear" Merv 13 Furnace Filter (2 Pack)

Clear The Air's Trion "Air Bear" Merv 13 filters are the best possible choice in residential HVAC filtration. Hospital-quality, advanced pleated technology, Our Green pleat is a cost effective means of upgrading your air quality, while maintaining low pressure drop and long service life. It removes 96% of allergens, fine particles, dust, pollen, dust mites, bacteria, mold spores, pet dander, smoke, gases & odors. This filter is the ideal choice for asthmatics.

Clear The Air's Trion "Air Bear" Merv 13 filters are available in 4 sizes.  Please see the technical specs of you are unsure of the size you need

Our Price: $69.99 (Free Shipping)
Trane Perfect Fit Merv 13 Furnace Filter Trane Perfect Fit Merv 13 Furnace Filter (2 Pack)

Clear The Air's Trane Perfect Fit Merv 13 filters are the best possible choice in residential HVAC filtration. Hospital-quality, advanced pleated technology, Our Green pleat is a cost effective means of upgrading your air quality, while maintaining low pressure drop and long service life. It removes 96% of allergens, fine particles, dust, pollen, dust mites, bacteria, mold spores, pet dander, smoke, gases & odors. This filter is the ideal choice for asthmatics.

Clear The Air's Trane Perfect Fit Merv 13 filters are available in 7 sizes.  Please see the technical specs of you are unsure of the size you need

Our Price: $119.99 (Free Shipping)
White Rodgers Merv 13 Furnace Filter White Rodgers Merv 13 Furnace Filter (2 Pack)

Clear The Air's White Rodgers Merv 13 filters are the best possible choice in residential HVAC filtration. Hospital-quality, advanced pleated technology, Our Green pleat is a cost effective means of upgrading your air quality, while maintaining low pressure drop and long service life. It removes 96% of allergens, fine particles, dust, pollen, dust mites, bacteria, mold spores, pet dander, smoke, gases & odors. This filter is the ideal choice for asthmatics.

Clear The Air's White Rodgers Merv 13 filters are available in 2 sizes.  Please see the technical specs of you are unsure of the size you need

Our Price: $84.99 (Free Shipping)
Performance and comparision details
Clear the air furnace filters are the highest performing air filters you can buy.  We have developed a performace chart so you can easily see how our products compare with other leading brands and what a great value they are.  This performance chart is also a great tool when deciding what performace level is right for your home. 
Click on the link or the image below to open or print the PDF for a closer look