FiltersFast Compatible Replacement for Aprilaire SpaceGard 2200 - Aprilaire 2200 & 2250 Filter 20" x 25" x 6" (Actual Size: 19 3/4" x 24 1/4" x 6 3/8") Air Filter - MERV 13 2-Pack Dimensions: 20" x 25" x 6" (Actual Size: 19 3/4" x 24 1/4" x 6 3/8") MERV Rating: MERV 13 Fits Aprilaire Models 2200 & 2250 6" deep pleated filter Made in the USA!