Honeywell Replacement Media Filter, 20 in Width, 25 in Height, 4 in Depth, 11 MERV, E1=25%, E2=62%, E3=85% Filter Efficiency, 500 fpm Rated Velocity, 0.23 in-WC at 500 fpm Initial Resistance

• Efficiency ratings are based on American society of heating, refrigerating and air-conditioning engineers standard 52.2 1999
• MERV 8 3 10 (at 492 fpm) performance with lower pressure drop at no additional cost
• Efficiency ranges are defined for small particles E1=0.3 to 1 um, medium particles E2=1 to 3 um and large particles E3=3 to 10 um
• Up to one year life
• For use with 20X25, 25X20, 25X22 F100, F200 and spacegard 2200 media air cleaners