Fits the following Aprilaire Air Cleaners: Model 1310 Model 2310 Model 3310 (new premium model with air cleaner control) Model 4300 (old premium model with air cleaner control) Collapsible media with self spacing pleats installs in seconds. Media replacement is recommended after one year. SelfSeal dramatically reduces air bypass, improving filter performance. Rated MERV 13 Airflow Capacity up to 2000 CFM Maximum Filter Length - approximately 20" (2 Pack Special)Qualifies for FREE SHIPPING
The Magnet logo on this page signifies that this product is a factory direct replacement to the OEM branded filter.