GENUINE OEM Aprilaire / Space-Gard #313 MERV 13 Replacement Filter (2 Pack)
Fits the following Aprilaire Air Cleaners:
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