APRILAIRE 413 MERV 13

Aprilaire 413 Model 2410, 2416, 3410, 4400, 1410, 1610, 2410 Retrofit Replacement Box Filter. MERV 13 Rated. Actual Size 16 1/4" x 27 1/4" x 3 5/8." Case of 3 Made in Canada by FurnaceFilters.Ca