Frame: Galvanized steel sheet / Aluminum alloy sheet
Filter Media: Melt-blown superfine glass fiber media, V-type bag structure
Inner Frame: Galvanized steel / iron wire frame with galvanized or aluminum clamping strips
Efficiency Grade (EN779):
F5: Average particle efficiency 40~60%
F6: Average particle efficiency 60~80%
F7: Average particle efficiency 80~90%
F8: Average particle efficiency 90~95%
F9: Average particle efficiency ≥95%
Fire Rating: UL-2 listed (UL900)
Temperature Resistance: ≤90℃
Humidity Resistance: ≤100%RH
Max Allowable Final Resistance: ≤600Pa
Application: Commercial & industrial use; main filter for clean room HVAC systems; pre-filter for air purification systems.