Washable Air Filters/ Electrostatic filters

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Primary filter cotton

The antibacterial treated primary air purifier prefilter replacement can filter suspended matters with a particle size greater than 5μm such as dust, hair, pet hair, etc. in the atmosphere. It is the most commonly used filter material in air purification with low initial resistance, mainly used for pre-filtration of the purification system to extend the life of the HEPA filter.

Washable Air Filters/ Electrostatic filters

The pre-filter replacement has simple appearance, easy installation and large dust holding capacity. It can be cleaned and reused repeatedly, which is economical and environmentally friendly.

Main material
Filter media: Polyurethane, PET or PP filter cotton.

Frame: Aluminum alloy frame, high-strength cardboard frame.

Structure: metal mesh pleated filter media, 6mm thick double-sided aluminum mesh filter cotton.
Metal mesh pleated filter media Double-sided mesh filter cotton Technical parameters

Composition	PET, PP
Density	20-60DPI
Thickness	5-50mm
Dimensions	Customized
Production process	Thermal bonding method, needle-punching method
Filtration efficiency	40%, 65%, 80%, 90%
Standard EN779	G1, G2, G3, G4
Standard EUROVENT4/5	EU1, EU2, EU3, EU4

Related
room air cleaning, house air purifier, air cleaning mesh, filter replacement

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