Aprilaire 813 Air Filter (MERV-13) 20 x 25 Inch

Aprilaire 813 Replacement Air Filters filter the air with MERV-13 efficiency. This means they can remove 90% of pollen/mold spores measuring 0.3 to 10 microns, 90% of dust particles measuring 1 to 3 microns, and 76% of virus-size particles measuring 0.3 to 1 micron. Each filter features Aprilaire’s genuine self-sealing technology for no-leak filtration performance.

Dimensions: 20 x 25 x 4 inches

Compatible Models

• Aprilaire 2025FG Filter Grille
• Competitive Models ( Carrier, General, Honeywell, Lennox, Trion) using 4897 Upgrade Kit

Each lasts approximately 1 year.