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1. Activated Carbon Pre air Filters specification  : 

· Media:    Activated carbon fiber

· Frame: Rigid Water-resistance cardboard; Gavanized steel ; AIuminum alloy

· Efficiency range from G3,G4 (EN 779) MERV 6-12 ASHRAE 52.2 1999

· Average Arrestance:  80%  at 0.5μm; 95% at 0.5μm;

· Initial resistance: 45 Pa

· Recommended final pressure drop : 250Pa

· Humidity resistance: 90%RH

· Max Temperature: 80 centigrade

· DIN 53438 Flammability: F1

· UL 900 Standard :  Class 2

· Max.air flow rate:  125% of rated air flow

· Media color available: Blue; White; Green

· Filter standard depth available 1 inch (21mm); 2 inch(46mm) and 4 inch(96mm)

· Galvanized supporting grid to ensure strength construction in diamond or square shape.

2. Applications:

To get rid of the contaminated air of the air condition systems and To absorb noxious gas.

3. Technical Data :