This quality replacement filter fits the Space-gard 2200 and Spacegard 2250 filter housing. It replaces the Aprilaire 201 (Spacegard 201) OEM filter. This filter carries a MERV rating of 11 (MERV Rating of OEM part is 10). The higher the MERV rating, the higher the arrestance of particulate matter (or said differently, higher MERV means more filtration).
In addition to having a higher MERV rating than the OEM part, this replacement filter is made of poly media and will not tear.
This is the accordian-style filter used in conjunction with the Aprilaire pleat-spacers.
Nominal size: 24″ x 6″ (actual: 24 1/4″ x 6″)