Compatible With Your Heating and Air Conditioning System. The complete line of Naturalaire filters are designed to fit and perform with your furnace and a/c system. Simply enter the size you need in the provided box.
Totally Disposable and Convenient to Replace. Naturalaire MERV 8 filters are convenient to use and easy to replace.
Protect Your Home and Family From Airborne Microparticles. Ordinary filters are designed to protect heating and cooling equipment from the insulating properties of relatively large airborne particles. The Naturalaire MERV 8 filters goes far beyond that, removing even those microscopic particles that stain walls and furnishings, or worse...enter our lungs.
Naturalaire The Filters That Help The Environment. Naturalaire filters are the ones to choose if you're concerned about the environment. Harmful dyes and coatings have been eliminated from their manufacturing process, to reduce the amount of harmful materials released into the environment.
Maximum Size: 25" x 36" x 1"
Available Depths: 1"
Enter the exact size you would like us to make your custom filters in the provided box.
Example: 19-1/4 x 25-1/2 x 1 (length x width x 1)
These filters will be handcrafted to the size you specify to ensure you get a perfect fit with all 12 filters.
Custom Furnace Filters 
