Aprilaire 1213 Filter Conversion Kit
Aprilaire 1413 Filter Conversion Kit
Aprilaire 201 MERV 10 Pleated Air Filter
Aprilaire 210 MERV 11 Pleated Air Filter
Aprilaire 213 MERV 13 Pleated Air Filter
Aprilaire 401 MERV 10 Pleated Air Filter
Aprilaire 410 MERV 11 Pleated Air Filter
Aprilaire 413 MERV 13 Pleated Air Filter
Aprilaire 501 MERV 10 Pleated Air Filter