Aerostar Series 400 Pleated Furnace Air Filter 12x24x4 MERV 8 Standard Capacity

The Aerostar Series 400 pleated furnace air filter provides reliable air filtration and excellent airflow performance for commercial and industrial HVAC applications. Featuring advanced 100% synthetic filter media, this MERV 8 filter captures airborne particles such as dust, pollen, mold spores, dander, and other common irritants while helping protect HVAC equipment.

The synthetic media is laminated to an expanded metal support grid on the air-exiting side, providing exceptional strength during installation while preventing pleat fluttering and maintaining consistent pleat structure. The moisture-resistant heavy-duty frame helps prevent warping, cracking, and distortion under normal operating conditions.

Designed for 12x24x4 HVAC systems, the Aerostar Series 400 filter handles air velocities up to 625 FPM while delivering dependable filtration with low airflow resistance. It is ideal for commercial buildings, schools, offices, industrial facilities, and applications requiring effective protection for coils, ductwork, and HVAC components.