Lennox Replacement

Replacements for Lennox air filters are available in the sizes listed below.

Certain sizes and maintenance kits are available only in the Lennox brand.

NOTE: Please be careful when choosing between the 20x25 filter sizes. You can confirm that you are choosing the correct filter size by comparing your part/model number and/or actual dimensions to those listed in the description of the filter listing. Click on the DETAILS tab for extended information.

Please contact us if you are not completely certain that you are choosing the correct filter and we can help you choose the correct filter!

16x25x5-1/4	20x25x6	16x25x4-3/8	20x25x5
16X26X4-3/8	20X26X4-3/8	16x26x3	20x25x6
16x26x5	21x26x4	16x27x6	20x26x3
17x26x4	16x20x4-3/8	20x20x4-3/8	20x26x5
20x21x5	16x25x3	20x25x4-3/8

Don't See Your Filter Size? Order a CUSTOM Air Filter.

Standard Pleated Filters

Custom Pleated Filters

Whole House Filter Replacements

Humidifier Pads

3M Filtrete Filters

Brand Name Whole House Filters

Whole House Media Inserts

Flanders Poly

Grill Filters

Lennox Replacement

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