Typical Selection Guide
Unit
Airflow
Min. Ps
Size
cfm
L/s
Across
In W.G.
Unit
Pa

4
75
36
0.11
28
125
59
0.30
73
175
83
0.56
1.39
225
106
0.90
225

5
125
59
0.19
47
200
94
0.41
103
275
130
0.70
174
350
165
1.04
260

6
150
71
0.11
28
225
106
0.22
55
300
142
0.36
90
375
177
0.53
131
450
212
0.72
178

7
250
118
0.16
40
350
165
0.25
62
450
212
0.35
87
550
260
0.47
116
650
307
0.72
178

8
400
189
0.16
40
500
236
0.25
62
600
283
0.35
87
700
330
0.47
116
800
378
0.60
149

9
450
212
0.13
32
650
307
0.26
64
850
401
0.42
105
1050
496
0.63
157

10
550
260
0.13
32
750
354
0.22
56
950
448
0.34
86
1150
543
0.49
121
1350
637
0.65
162

12
900
425
0.15
37
1200
566
0.25
62
1500
708
0.37
93
1800
850
0.52
129
2100
991
0.69
171

14
1000
472
0.08
19
1500
708
0.18
44
2000
944
0.32
79
2500
1180
0.51
126

16
1500
708
0.19
46
2000
944
0.31
78
2500
1180
0.47
117
3000
1416
0.65
162
3500
1652
0.86
215


Performance Notes:
  1. Test data obtained in accordance with ARI Standard 880-98 and ASHRAE Standard 130-1996.
  2. Air flow given in liters/second (L/s); and cubic feet/minute (CFM).
  3. Pressure given in Pascals (Pa) and inches of water gauge (in. w.g.)
  4. Data is not certified by ARI..