MERV, Dust Spot Average Efficiency MERV 14, 90-95%, Average Atmospheric Dust Spot Efficiency Average Dust Weight Arrestance 95-98% Continuous operating temperature limits 150 degrees F. or 66 degrees C., minimum Final Resistance (inches W.G.) 1.0 In accordance to ASHRAE 52.2-1999, Table 12-1, Particles in the Particle Size Efficiency, minimum micron range, MERV 11= 65E2<80, MERV 13 & 14= 90E2. Actual Filter Frame Size Variance 5/8 inches Maximum Variance from Nominal Size dimensions Required Filter physical characteristics are as follows: Nominal filter size is 24 inches width by 24 inches height and based on ASHRAE 52.1. Airflow Capacity Rated, 2000 CFM The following filter characteristics are provided in acceptable ranges: Dust MERV 13 MERV 14 Rated Filter MERV 11 Pocket Holding Rated Rated Pockets Face Media Rated Initial Depth Capacity Initial Initial per Filter Velocity Area/sq. Ft. Resistance (in Inches (grams) for Resistance Resistance FPM W.G.) MERV 11 (in W.G.) (in W.G.) 21-22 6 375 45-50 400 375 21-22 8 60-66 450 Dust MERV 13 MERV 14 Rated Filter MERV 11 Pocket Holding Rated Rated Pockets Face Media Rated Initial Depth Capacity Initial Initial per Filter Velocity Area/sq. Ft. Resistance Inches (grams) for Resistance Resistance FPM (in W.G.) MERV 11 (in W.G.) (in W.G.) 500 29-30 6 64-68 600 500 29-30 8 84-90 800 500 29-30 10 107 900 36 8 500 104-108 950 Group F Extended Surface Deep Cell Cartridge Filters –
MERV, Dust Spot Average Efficiency MERV 14, 90-95%, Average Atmospheric Dust Spot Efficiency Average Dust Weight Arrestance 95-98% Continuous operating temperature limits 150 degrees F. or 66 degrees C., minimum Final Resistance (inches W.G.) 1.0 Particle Size Efficiency, minimum In accordance to ASHRAE 52.2-1999, Table 12-1, Particles in the micron range, MERV 11= 65E2<80, MERV 13 & 14= 90E2. Actual Filter Frame Size Variance 5/8 inches Maximum Variance from Nominal Size dimensions Required Filter physical characteristics are as follows: Nominal filter size is 24 inches width by 24 inches height and based on ASHRAE 52.1. Airflow Capacity Rated, 2000 CFM The following filter characteristics are provided in acceptable ranges: Pocket Depth Inches Pockets per Filter Rated Filter Face Velocity FPM Media Area/sq. Ft. MERV 11 Rated Initial Resistance (in W.G.) Dust Holding Capacity (grams) for MERV 11 MERV 13 Rated Initial Resistance (in W.G.) MERV 14 Rated Initial Resistance (in W.G.) 21-22 6 375 45-50 400 21-22 8 375 60-66 450 Pocket Depth Inches Pockets per Filter Rated Filter Face Velocity FPM Media Area/sq. Ft. MERV 11 Rated Initial Resistance (in W.G.) Dust Holding Capacity (grams) for MERV 11 MERV 13 Rated Initial Resistance (in W.G.) MERV 14 Rated Initial Resistance (in W.G.) 29-30 6 500 64-68 600 29-30 8 500 84-90 800 29-30 10 500 107 900 36 8 500 104-108 950 Group F – Extended Surface Deep Cell Cartridge Filters
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