Nominal size
|
Actual size
|
Partition
|
Flange
|
Rated air volume
|
(inch)
|
(mm)
|
(V)
|
(non/single)
|
(m3/h)
|
W×H×D
|
W×H×D
|
|
|
|
12×24×12
|
287×592×292
|
2V
|
Single flange
|
1200
|
24×12×12
|
592×287×292
|
4V
|
Single flange
|
1200
|
24×20×12
|
592×492×292
|
4V
|
Single flange
|
2200
|
24×24×12
|
592×592×292
|
4V
|
Single flange
|
2700
|
12×24×12
|
305×610×292
|
2V
|
Non-flange
|
1400
|
24×24×12
|
610×610×292
|
4V
|
Non-flange
|
3000
|
Nominal size
|
Surface air speed
|
Rated initial resistance
|
|
|
|
Recommended final resistance
|
|||
(inch)
|
(m/s)
|
(Pa)
|
|
|
|
(Pa)
|
|||
W×H×D
|
|
F6
|
F7
|
F8
|
F9
|
Double initial resistance
|
|||
12×24×12
|
2.50
|
110
|
120
|
130
|
140
|
Double initial resistance
|
|||
24×12×12
|
2.50
|
110
|
120
|
130
|
140
|
Double initial resistance
|
|||
24×20×12
|
2.50
|
110
|
120
|
130
|
140
|
Double initial resistance
|
|||
24×24×12
|
2.50
|
110
|
120
|
130
|
140
|
Double initial resistance
|
|||
12×24×12
|
2.50
|
110
|
120
|
130
|
140
|
Double initial resistance
|
|||
24×24×12
|
2.50
|
110
|
120
|
130
|
140
|
Double initial resistance
|