The Magnet 313 replacement filter fits the following air cleaner models: 1310, 2310, 3310 and 4300. This filter has a MERV 13 efficiency rating which means it captures those tiny unwanted indoor air particles and removes them from your home. Each filter comes with 4 wire supports and assembly instructions.
Actual size: 21 x 18-3/4 x 4-1/8To watch assembly instruction video, click here.Made by Magnet / Patent PendingThis product is not manufactured or distributed by Research Products Corporation, owner of the registered trademark Aprilaire.
The Magnet logo on this page signifies that this product is a factory direct replacement to the OEM branded filter.