Return Grille FC40 Filter - 20x25x3

Overview
The Return Grille Filter provides a high efficiency, long life alternative to a 1" filter. Our patented design, unique to the industry, captures a significant amount of the airborne particles, in the air that circulates through the filter.
Features
• Mounts in most return filter grilles.
• Pleated for greater media capacity.
• Low pressure drop provides a comfortable air flow.
• Maintains equipment efficiency longer than standard filters.
• FC40 is MERV 10.
Type of Air Cleaner: Media Air Cleaner;Efficiency ratings are based on American Society of Heating, Refrigerating and Air-Conditioning Engineers Standard 52.2-1999.,Efficiency ranges are defined for small particles, E1=0.3 to 1.0 microns; medium particles, E2=1.0 to 3.0 microns; and large part;Fractional Efficiency: E1=31%, E2=61%, E3=86%; Static Pressure Drop (in. w.c.): 0.12 at 300FPM