All filter frames shall be marked with manufacturer a product identifier such that the name/trade mark, product name, actual size, nominal size, filter type and indicated downstream side can be readily ascertained. Performance Data: Filters shall have been tested by Underwriters Laboratory as Class 2, Standard 900 and CAN 4-S111. Filters shall meet the following performance specifications as tested by ASHRAE 52.2 Standards. Resulting performance data and filter physical characteristics must meet the following performance requirements. Pleated Air Filter, Group A, type 1 HIGH CAPACITY Category Rating Minimum Efficiency Reporting Value MERV 8, ASHRAE 52.2 Average Dust Weight Arrestance 85-90%, ASHRAE 52.2 Continuous operating temperature limits 150 degrees F. or 66 degrees C., minimum degrees Final Resistance (inches W.G.) 1.0 Dust Holding Capacity, minimum per 2” Depth 106 grams to Final 1.0” Filter In accordance to ASHRAE 52.2-1999, Table 12-1, Particles Particle Size Efficiency, minimum in the 3.0-10.0 micron range, 35E5<50 Frame Material Thickness, minimum Single layer .028 inches thick, double layers .024 inches thick 5/8 inches Maximum Variance from Nominal Size Actual Filter Frame Size Variance dimensions Required Filter physical characteristics are as follows: Nominal filter size is 24 inches width by 24 inches height and based on ASHRAE 52.2. The following filter characteristics are provided in acceptable ranges: Pleats Minimum sq. ft. Initial Filter nominal depth in per linear Rated velocity Test air flow rate media area per sq. restriction inches foot FPM CFM ft. of face area W.G. minimum 1 13 2.0 300 1200 1 13 2.0 500 2000 2 13 4.1 300 1200 2 13 4.1 500 2000 2 13 4.1 625 2500 4 10 6.67 300 1200 4 10 6.67 500 2000 4 10 6.67 625 2500
All filter frames shall be marked with a product identifier such that the manufacturer name/trade mark, product name, actual size, nominal size, filter type and indicated downstream side can be readily ascertained. Performance Data: Filters shall have been tested by Underwriters Laboratory as Class 2, Standard 900 and CAN 4-S111. Filters shall meet the following performance specifications as tested by ASHRAE 52.2 Standards. Resulting performance data and filter physical characteristics must meet the following performance requirements. Pleated Air Filter, Group A, type 1 HIGH CAPACITY Category Rating Minimum Efficiency Reporting Value MERV 8, ASHRAE 52.2 Average Dust Weight Arrestance 85-90%, ASHRAE 52.2 Continuous operating temperature limits 150 degrees F. or 66 degrees C., minimum degrees Final Resistance (inches W.G.) 1.0 Dust Holding Capacity, minimum per 2” Depth Filter 106 grams to 1.0” Final Particle Size Efficiency, minimum In accordance to ASHRAE 52.2-1999, Table 12-1, Particles in the 3.0-10.0 micron range, 35E5<50 Frame Material Thickness, minimum Single layer .028 inches thick, double layers .024 inches thick 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 52.2. The following filter characteristics are provided in acceptable ranges: Filter nominal depth in inches Pleats per linear foot minimum Minimum sq. ft. media area per sq. ft. of face area Rated velocity FPM Test air flow rate CFM Initial restriction W.G. 1 13 2.0 300 1200 1 13 2.0 500 2000 2 13 4.1 300 1200 2 13 4.1 500 2000 2 13 4.1 625 2500 4 10 6.67 300 1200 4 10 6.67 500 2000 4 10 6.67 625 2500
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