FRS-40 bestselling pre-filter cotton,air inlet carton for air condition and ventilation

FRS-40 bestselling pre-filter cotton,air pre-filter for air condition and ventilation  (manufacture)

Advantage:

• Washable and reusable
• Low resistance
• Excellent flame retardant
• Flexible
• Economical and practical 

 Features: 

               ·Washable and reusable

               ·Low initial resistance

               ·Large dust holding capacity

               ·Flexible

               ·Economical and practical

Application: ≥5μm, Filter dust, (used in the places 

where need washing and filtering), 

pre-filter through air filter program

Type: supply pads or rolls size

Media: synthetic fiber with gradual density

Washable: about 7-8 times

EN779 class: G4

Average arrestance:91%(ASHRAE52.1-1992)

EUROVENT4/5 class: EU4

DIN53438 Non-flammability Standard: F1 

Final resistance: (suggested) 200Pa-250Pa

Max. Dust holding capacity: 620g per square meters

Temp. resistance: 100°C