Air Filters - Free Shipping & Returns
Why finding the right size air filter is important.
Most of the time the filter size is printed on the old filter that you can use as a reference for reordering. If the dimensions are not printed on your filter you can measure your filter and find the actual dimensions by following these easy instructions.
Select the size of your filter from either list below.
If your filter is 1”, please select the dimensions from the list below:
If your filter is 2”, please select the dimensions from the list below:
Regularly replacing your air filter will help improve the efficiency and longevity of your furnace.
Find Compatible Filters for the Following Brands
Don't see your brand listed?
Contact us to help find your filter.
Save Your Furnace Tip #3:
Did you know that the nominal size of your air filter is probably not the same as the actual size? Just like measurements on lumber, the actual size of an air filter is usually slightly smaller than the nominal size.