Primary filtration always requires pre-filters at the first stage of air filtration system to capture most and larger particles, including dust, hair, insects, pollen and various fibres. With the work of pre-filter, the life span of main filter, such as HEPA filter, can be exteded.
Frame: Rigid high wet-strength beverage board
Media: Synthetic fiber (non-woven)
Sealant: EVA Adhesives
Safety grade: UL900
Max. Temperature: ≦70°C
Max. Relative Humidity: ≦95% RH
Rec. Final Pressure Drop: ≦200Pa
Efficiency: G4 (EN779) / MERV8 (ASHRAE 52.2)
Pre-filters are used in electronics, pharmaceutical, residential, commercial and industrial areas and also widely applied in all types of HVAC systems.
high efficiency particulate air filter, clean room filter
final filters in commercial applications or as prefilters for HEPA filters