Description
1. Pre-filter for air conditioning and ventilation systems
2. Pre-filter for large air compressor
3. Clean room return air filter
4. Pre-filter for local high efficiency filtration device
Nominal size
|
Actual size
|
Efficiency
|
Rated air volume
|
Initial resistance under different air volumes
|
Recommended final resistance
|
||
(inch)
|
(mm)
|
EN779
|
(m3/h)
|
(Pa)
|
|
|
(Pa)
|
W×H×D
|
|
|
|
70%
|
100%
|
120%
|
250
|
12×24×2
|
290×595×46
|
G2
|
1700
|
45
|
70
|
100
|
|
20×24×2
|
490×595×46
|
G2
|
2800
|
45
|
70
|
100
|
|
24×24×2
|
595×595×46
|
G2
|
3400
|
45
|
70
|
100
|
|
12×24×2
|
290×595×46
|
G3
|
1700
|
65
|
95
|
135
|
|
20×24×2
|
490×595×46
|
G3
|
2800
|
65
|
95
|
135
|
|
24×24×2
|
595×595×46
|
G3
|
3400
|
65
|
95
|
135
|
|
12×24×2
|
290×595×46
|
G4
|
1700
|
85
|
130
|
175
|
|
20×24×2
|
490×595×46
|
G4
|
2800
|
85
|
130
|
175
|
|
24×24×2
|
595×595×46
|
G4
|
3400
|
85
|
130
|
17
|