Aerostar Series 400 Pleated Furnace Air Filter 16x20x4 MERV 8 Standard Capacity

The Aerostar Series 400 pleated furnace air filter is designed to improve indoor air quality while maintaining efficient airflow through your HVAC system. Built with advanced 100% synthetic filter media, this MERV 8 filter captures common airborne particles such as dust, pollen, lint, and other household contaminants to help create a cleaner and healthier indoor environment.

Engineered for reliable performance and low airflow resistance, the pleated design provides increased dust-holding capacity while supporting consistent HVAC efficiency. The reinforced media support grid helps maintain pleat uniformity and prevents fluttering, while the durable moisture-resistant frame provides long-lasting strength and dependable filtration performance.

Ideal for residential, commercial, and industrial HVAC applications, this 16x20x4 MERV 8 furnace filter helps protect HVAC components, including coils and ductwork, while maintaining improved indoor air quality. The 4-inch depth design provides extended filter life and is recommended for applications requiring higher dust-holding capacity. Replace regularly depending on usage conditions and indoor air quality needs.