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Manual 2100-537
I
Page 20 of 54
Filter Nominal Size Surface Area FT2 Filter Type
Airow CFM
Capability @ 300
FPM Velocity
Airow CFM
Capability @ 500
FPM Velocity
Airow CFM
Capability @ 625
FPM Velocity
10" X 20" X 1" 1.39
1" Fiberglass
Disposable
415
Not Recommended Not Recommended
12" X 20" X 1" 1.67 500
14" X 20" X 1" 1.94 580
14" X 25" X 1" 2.43 730
16" X 20" X 1" 2.22 670
16" X 25" X 1" 2.78 840
20" X 20" X 1" 2.78 840
20" X 25" X 1" 3.47 1050
24" X 24" X 1" 4.00 1200
10" X 20" X 2" 1.39
2" Std. Fiberglass
Disposable
415 700
Not Recommended
12" X 24" X 2" 2.00 600 1000
14" X 20" X 2" 1.94 580 975
14" X 25" X 2" 2.43 730 1215
16" X 20" X 2" 2.22 670 1120
16" X 25" X 2" 2.78 840 1400
20" X 20" X 2" 2.78 840 1400
20" X 25" X 2" 3.47 1050 1750
24" X 24" X 2" 4.0 1200 2000
10" X 20" X 1" 1.39
1" Pleated Filter
425 700
Not Recommended
12" X 24" X 1" 2.00 600 1000
14" X 20" X 1" 1.94 590 980
14" X 25" X 1" 2.43 730 1215
16" X 20" X 1" 2.22 670 1115
16" X 25" X 1" 2.78 840 1400
20" X 20" X 1" 2.78 840 1400
20" X 25" X 1" 3.47 1050 1740
24" X 24" X 1" 4.00 1200 2000
10" X 20" X 2" 1.39
2" Pleated Filter
425 700 870
12" X 24" X 2" 2.00 600 1000 1250
14" X 20" X 2" 1.94 590
980 1215
14" X 25" X 2" 2.43 730 1215 1520
16" X 20" X 2" 2.22 670 1115 1400
16" X 25" X 2" 2.78 840 1400 1740
20" X 20" X 2" 2.78 840 1400 1740
20" X 25" X 2" 3.47 1050 1740 2170
24" X 24" X 2" 4.00 1200 2000 2500
12" X 24" X 4" 2
4" Pleated Filter
600 1000 1250
16" X 20" X 4" 2.22 670 1115 1400
20" X 20" X 4" 2.78 840 1400 1740
20" X 25" X 4" 3.47 1050 1740 2170
24" X 24" X 4" 4 1200 2000 2500
TABLE 6
FILTER SIZING CHART
Toself-calcuateforadditionalltersizes:
Airow/NominalFilterSize(FT
2
) = Velocity
1600CFM/3.47(20"x25"lter)=461FPM(feetperminutevelocity)