Flanders - 20 in. W X 25 in. H X 4-1/2 in. D Synthetic 8 MERV Pleated Air Filter 1 pk

Deep-pleated cartridges like this are built for whole-house air cleaners, giving you more media area and longer service life than a standard 1‑inch furnace filter. The 20x20x4.5 synthetic cartridge uses electrostatic polypropylene/polyethylene media with a MERV 8 rating to capture common household contaminants and some bacteria while keeping airflow resistance relatively low. Designed as a replacement for select Honeywell and Air Bear-style air cleaner housings.

AAF Flanders 20 in. W X 20 in. H X 5 in. D Synthetic 8 MERV Pleated Air Filter is a high-quality air filter designed to improve the air quality in your home or office. With a MERV rating of 8, it effectively captures dust, pollen, pet dander, and other airborne allergens, keeping them out of your breathing space. Measuring 20 inches by 20 inches by 5 inches, it is compatible with most HVAC systems and is easy to install. Keep your air clean and fresh with the AAF Flanders air filter.

Designed for higher-capacity residential or light commercial systems, this 16 x 20 x 4-1/2 inch Flanders synthetic pleated filter provides MERV 8 performance to improve air cleanliness while maintaining strong airflow. Its extended-surface pleated media offers more filtration area than standard 1-inch filters, helping capture dust, lint, pollen, mold spores, and other common airborne particles over a longer service interval.