Aerostar Series 1100 16x25x4 MERV 11 Pleated Furnace Air Filter

The Aerostar Series 1100 pleated furnace air filter provides reliable MERV 11 filtration using advanced 100% synthetic filter media. Designed to capture a wide range of airborne contaminants including dust, pollen, mold spores, and other fine particles, this filter helps improve indoor air quality while protecting HVAC equipment.

Featuring a durable moisture-resistant frame, expanded metal support grid, and reinforced pleat design, the Series 1100 maintains consistent airflow and filtration performance throughout its service life. The 4-inch depth design provides increased dust-holding capacity, longer filter life, and efficient operation with low initial pressure drop.

Ideal for residential, commercial, and industrial HVAC systems, the 16x25x4 MERV 11 Aerostar Series 1100 pleated filter helps protect coils, ductwork, and air handling equipment from dust buildup. It is suitable for side-access filter housings, built-up filter banks, and applications requiring medium-efficiency air filtration.