25x20x4 MicroMAX Air FilterMERV 11, Galv Frame, Koch 120-732-002 (3 pcs)

The MicroMAX 25x20x4 air filter by Koch is an extended-surface minipleat filter designed for a wide range of HVAC applications. With a MERV 11 rating, it effectively captures 60-65% of airborne particles, providing improved indoor air quality in commercial, industrial, and residential settings.

This filter’s compact 4-inch depth and lightweight galvanized frame make it easy to install and handle, while its unique minipleat design maximizes surface area for enhanced airflow and lower pressure drop. The dual-density microfiberglass media construction ensures longer filter life by optimizing dust-holding capacity.

Key Features:

• MERV 11 (60-65%) efficiency
• Compact 4-inch depth
• Durable galvanized steel frame
• Dual-density media for improved performance
• Sold in a convenient 3-pack

The air filter 25x20x4 is an excellent choice for HVAC systems requiring reliable, long-lasting filtration with a space-saving design.