Lennox Home Air Filters

Lennox Home Air Filters are available in a wide range of sizes, from 16x20x5 to 20x20x5 and all the way to 21x26x4. Our Lennox replacement furnace filters will make a perfect fit. Additionally, thanks to a new design, these air filters perfect for removing airborne allergens, like dust, bacteria, pollen, contaminants, and chemical fumes. Subsequently, you benefit from improved air quality, which contributes to better physical and respiratory health. You can use the navigation for finding the best replacement Lennox Furnace filter for your home with timely shipping and great prices.

Use the dropdown to select a size or choose from the list below

Lennox Home Air Filters

Newsletter Signup

Sign up to join our mailing list and be the first to hear about special pricing, new products, and tips to get the most out of your filters!

You can also sign up for our email reminders to change your filter here

No thanks, I'd rather not