ZL-804(3)
ZL-804(2)
ZL-804
ZL-804(4)
ZL-804(3)
ZL-804(2)
ZL-804
ZL-804(4)

HB-804 Fan Filter | 120mm Fan Filter for Industrial Equipment

The Hongbo HB-804 fan filter is a 120mm ventilation filter assembly designed to protect cooling fans and electronic equipment from dust, particulates, and airborne contaminants. This fan filter 120mm combines a rigid plastic frame with a replaceable filter media, providing effective filtration while maintaining adequate airflow for 120mm axial fans. It is suited for control cabinets, server enclosures, and industrial equipment where environmental protection is required.

Key Features

  • 120mm Standard Format: Designed for use with standard 120×120mm axial fans and corresponding panel cutouts.
  • Rigid Plastic Frame: Durable ABS or polycarbonate housing provides structural support for the filter media and mounting to equipment panels.
  • Replaceable Filter Media: Removable and replaceable filter element allows periodic maintenance to maintain airflow and filtration efficiency.
  • Dust and Particle Filtration: Captures airborne dust, lint, and particulates before they enter fan blades and electronic components.
  • Low Airflow Restriction: Engineered mesh density balances filtration effectiveness with minimal pressure drop across the filter.
  • Snap-Fit or Screw Mounting: Multiple mounting options for integration into sheet metal panels, plastic enclosures, and equipment cabinets.
  • Operating Temperature Range: Suitable for industrial ambient temperatures typically encountered in electrical enclosures.
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Maintenance and Replacement

  • Regular inspection: Check filter media monthly for dust accumulation; frequency depends on environmental dust levels.
  • Cleaning (washable types): Some filter media can be gently washed with water and air-dried; replace if damaged or filtration efficiency degrades.
  • Replacement: Keep spare filter elements on hand for quick replacement during maintenance cycles.
  • Pressure drop monitoring: Significant reduction in airflow indicates filter media requires cleaning or replacement.

Specifications

Parameter Value
Model HB-804
Size 120 × 120 mm (standard 120mm fan)
Frame Material ABS or polycarbonate plastic
Filter Media Synthetic fiber, washable or replaceable
Filter Efficiency Contact us for specific ratings
Mounting Type Snap-fit or screw-mount
Frame Color Typically black or gray
Operating Temperature -20°C to +60°C (typical)

Applications

This fan filter 120mm is widely used in:

  • Industrial control cabinets: Protects PLC racks, drives, and control electronics from factory dust and airborne contaminants.
  • Server and network equipment: Filters intake air for telecom racks, server chassis, and networking gear in dusty or particle-laden environments.
  • Outdoor electrical enclosures: Provides particulate protection for equipment installed in semi-exposed or outdoor cabinet installations.
  • Manufacturing and process equipment: Protects cooling fans in CNC machines, welding equipment, and material handling systems.
  • Medical and laboratory equipment: Provides clean intake air for sensitive instruments and diagnostic equipment.
  • HVAC and building automation: Integrated into air handling units and building management system enclosures.

Why Choose Hongbo Motor

  • Over 10 years of focused experience in industrial cooling and ventilation accessories
  • Products exported to 40+ countries across North America, South America, Europe, and Asia
  • Stable production capacity with consistent lead times
  • Strong OEM/ODM capability for volume and custom orders
  • Reliable quality backed by international certifications

FAQs

How often should the filter be cleaned or replaced?
Maintenance frequency depends on the environment. In typical industrial settings, inspect monthly and clean or replace as needed. In very dusty environments, more frequent maintenance may be required.
Does the filter reduce fan airflow significantly?
The filter is engineered to balance filtration with airflow. Some reduction in airflow is expected; size your fan accordingly to account for filter pressure drop in high-dust applications.
Is the HB-804 compatible with all 120mm fans?
The HB-804 is designed for standard 120×120mm fans. Verify your panel cutout dimensions and mounting requirements before ordering.
Do you support OEM orders?
Yes. We support customization of frame color, filter media grade, mounting style, and packaging. Contact our sales team with your requirements.
What is the minimum order quantity?
MOQ varies by model and configuration. Please contact us directly for details.

Customization Options

Hongbo Motor supports OEM and ODM orders for fan filters:

  • Frame color: Black, gray, or custom colors
  • Filter media grade: Standard, fine, or coarse filtration options
  • Mounting style: Snap-fit, screw-mount, or custom bracket configurations
  • Frame dimensions: Custom sizes for non-standard panel cutouts
  • Logo or labeling: Custom branding molded or printed on the frame
  • Packaging: Individual or bulk packaging for OEM assembly lines

Certifications and Quality Assurance

  • RoHS Compliance
  • Materials selected for industrial equipment safety standards

Manufactured and tested at Hongbo Motor’s 6,000 m² facility in Ningbo, China.

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