4-PRO Four-Stage Air Filter BD2500


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4-PRO Four-Stage Air Filter

ONE filter protects in FOUR ways!
  • Cellulose mesh captures larger particles and debris
  • Electrostatic polypropylene captures small particles
  • Activated carbon adsorbs odours and fumes
  • Antimicrobial-treated filter media
The ONLY air filter designed for the unique challenges of restoration, remediation and construction projects, the 4-PRO filter is disposable and will keep your dehumidifiers operating at maximum efficiency!
  • Expanded cellulose mesh captures large particles.
  • Electrostatically charged polypropylene attracts and retains smaller particles.
  • Activated carbon adsorbs odours and fumes.
  • Antimicrobial-treated filter media
  • Sturdy aluminum frame resists collapse and maintains proper filtration.
  • Construction:  Sturdy aluminum frame resists collapse to maintain proper filtration.
  • Materials:  Electrostatically charged polypropylene, activated carbon, and expanded cellulose mesh. Antimicrobial-treated filter media.
  • Disposable:  Filters are not reusable. Replace whenever filter appears dirty or heavily loaded with particles.

The 4-PRO Filter ensures proper dehumidifier operation and protects occupants and workers in four ways: 1) cellulose mesh captures larger particles; 2) electrostatic polypropylene captures smaller particles; 3) activated carbon absorbs odours and fumes; and 4) antimicrobial treatment helps prevent bacterial growth on the filter.

To keep your dehumidifiers operating at maximum efficiency and to maintain the dehumidifier warranty, only 4-PRO filters should be used in Dri-Eaz dehumidifiers. These filters are designed specifically by Legend Brands for use in Dri-Eaz dehumidifiers for restoration, remediation and construction applications. Other filters will not adequately protect your dehumidifier nor provide adequate airflow for proper dehumidifier operation.

Important: 4-PRO filters are NOT reusable and should be replaced according to these guidelines. Do not attempt to clean and reuse 4-PRO filters, as this will eliminate the filter’s electrostatic charge and may cause damage to your dehumidifier.

Minimum filter change intervals depend on the type and amount of particulates present in the air. Always check the filter after every use, and change whenever the accumulation of dust and debris is visible.

Normal conditions
Includes standard water damage remediation jobs and humidity control in occupied spaces. Change the filter whenever the accumulation of dust and debris is visible.

Severe conditions
Includes areas with higher particulate loads, such as construction sites or crawlspaces. Change the filter after every job or whenever the accumulation of dust and debris is visible.

Contaminated environments
Includes areas with contaminants that present a health risk, such as sewage losses. To reduce the possibility of cross-contamination, filters should be replaced after every job or whenever the accumulation of dust and debris is visible. Note: According to industry standards, to prevent aerosolizing contaminants, drying in contaminated environments should begin only after removal of affected structural materials and a thorough cleaning of affected area has been completed. 

Not recommended
Do not use Dri-Eaz dehumidifiers in locations where demolition, wallboard installation, sanding or painting is occurring. Do not use Dri-Eaz dehumidifiers where mould is present.



F581: LGR 7000XLi/DrizAir 1200
F583: Revolution
F584: LGR 2800i/LGR 3500i
F585: LGR 2000
F586: LGR 2400
F590: DriTec 4000i/Evolution



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