This AprilAire 313 replacement filter is compatible with the following AprilAire Air Purifier models:
Aprilaire
1310, 2310, 3310, 4300
Please verify your unit's measurements before ordering.
Nominal Size
20 x 20 x 4
Actual Size (Decimal)
19.58" x 21.38" x 4"
Designed with MERV 13 media to help reduce common indoor air pollutants circulating through your home.
Helps capture dust, pollen, mold spores, bacteria, pet dander, and dust mites
Patented Self-Seal Technology minimizes air bypassing the filter
Maintains healthy airflow throughout your HVAC system
Proud partner of the American Lung Association
MERV 13
Designed for the AprilAire Interlock Rail System — installation takes seconds with no tools, no assembly, and no cardboard or metal reinforcements needed.
Simple 3-step process — unpack, slide in, close the door
Engineered for a precise, secure fit every time
This AprilAire 313 replacement filter is designed and manufactured to optimize the performance of your AprilAire Air Purifier.
Designed and manufactured in the USA by AprilAire
Backed by a 10-year Clean-Coil Commitment
Engineered to optimize performance across all compatible AprilAire Air Purifier models