Aerostar Series 400 Pleated Furnace Air Filter 18x24x1 MERV 10 Standard Capacity

The Aerostar Series 400 pleated furnace air filter is designed to improve indoor air quality while maintaining efficient and reliable airflow throughout your HVAC system. Built with advanced 100% synthetic filter media, it captures airborne contaminants such as dust, pollen, mold spores, lint, and pet dander to help create a cleaner indoor environment.

With a MERV 10 efficiency rating, this pleated air filter provides enhanced filtration performance while maintaining low airflow resistance. The durable pleated design increases dust-holding capacity, supports efficient HVAC operation, and helps protect system components including coils and ductwork from dust buildup.

Suitable for residential and commercial HVAC applications, this 18x24x1 furnace filter is recommended for replacement every 1 to 3 months depending on system usage, indoor air quality, and environmental conditions such as pets, allergies, and seasonal dust levels.