| The panel prefilter with metal frame
It’s normaly prefilter used in air conditioner system.
Choose good quality’s synthetic media.
Choose metal frame.
Thickness: 17mm, 21mm, 25mm, 46mm.
Filtration efficiency (Test by weighing dust): 90%-95%(ASHRAE 52.1-1922).
Efficiency rate: G1-G4 (EN 779).
A welded... |