20x25x6 Aprilaire Space-Gard 2200 Replacement Part 201 MERV 14 Air Filters 1 PackNordic Pure 20x25x6 Aprilaire Space Gard 2200 Replacement Air Filters Part 201 MERV 14 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your workspace or office. Each time air passes through a Nordic Pure Pleated ASG replacement furnace filter, lint, household dust, pollen, dust mites, pet dander, bacteria, mold spores and other contaminants are removed. All Nordic Pure pleated air