10/30/2026
Not all 1" filters are created equal. The new AprilAire 1" Filter combines advanced filtration technology with the fit you expect, delivering powerful performance that sets a new standard for Healthy Air in HVAC furnace filter slot applications.
The new 1" filter brings up to 20% better airflow* for energy efficiency, and up to 6 months of life before you think about it again. Ready to make the switch? Find a pro today.
*Performance results based on pressure drop and filter life, determined through controlled testing in accordance with ASHRAE 52.2 2017 test procedure against other leading brands. Comparative results may vary depending on system conditions and application. https://bit.ly/4dSvunv