Cleanroom Filtration / Spray Booth & Coating Filters

G4 Primary Filter Cotton

Roll-type G4 primary filter cotton for pre-filtration in cleanroom and HVAC air handling systems.

G4 primary filter cotton roll on white background

Key Points

Product Features and Selling Points

G4 grade primary filter media

Available in multiple roll lengths and widths

Suitable for 0.5-1.0 m/s face velocity

Low initial resistance for ventilation systems

Custom sizes available

Applications

Where This Product Is Used

Cleanroom fresh air systems, HVAC pre-filtration, general factory air inlet filtration, and protection for medium efficiency or HEPA filters.

Customization

OEM and Custom Options

Non-standard roll length, width, thickness, packing, and cut-to-size requirements are available upon request.

Specification Table

Technical Parameters

Parameter Specification
Length 10 m; 20 m; 30 m; 40 m; 50 m
Width 1.0 m; 1.2 m; 2.0 m
Thickness 3 mm; 5 mm; 10 mm; 15 mm; 20 mm; 30 mm
Face Velocity 0.5-1.0 m/s
Initial Resistance 30-40 Pa
Grade G4
Customization Non-standard sizes available

Data translated and organized from the supplied filter specification PPT. Non-standard dimensions can be customized.

Product Details

Technical and Product Information

G4 Primary Filter Cotton is used as a pre-filter media for cleanroom ventilation, HVAC intake air, and general industrial air purification. It helps capture larger particles before downstream medium efficiency or HEPA filtration stages.

The material is supplied in roll form and can be cut to different widths, lengths, and thicknesses according to project requirements.

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