Aprilaire 310 Replacment Media Filter 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)
Media replacement is recommended after one year.
SelfSeal dramatically reduces air bypass, improving filter performance.
Rated MERV 11
Airflow Capacity up to 2000 CFM Maximum Filter Length - approximately 20"
(2 Pack Special)
Also known as 41415.