Aerostar Series 400 20x20x5 MERV 8 Pleated Furnace Filter Replacement

The Aerostar Series 400 pleated furnace air filter is designed to provide reliable filtration and efficient airflow performance for HVAC systems. Featuring advanced 100% synthetic filter media, this MERV 8 filter helps capture airborne particles such as dust, pollen, mold spores, and other common contaminants to support cleaner indoor air quality.

Built with a durable moisture-resistant frame and expanded metal support grid, the Series 400 maintains pleat stability and consistent filtration performance during operation. The 5-inch deep design provides increased filtration capacity while maintaining low airflow resistance for efficient HVAC system operation.

Compatible as a replacement for select Honeywell and Lennox filter applications, the 20x20x5 MERV 8 Aerostar Series 400 pleated filter is ideal for residential, commercial, and industrial use. It helps protect coils, ductwork, and HVAC components while reducing dust and airborne irritants.