Improve air quality on the jobsite or in the workshop with the Festool SYS-AIR HEPA Air Filter. Housed in a compact Systainer³ M437, this mobile air filtration unit captures fine airborne dust that traditional extractors may miss—helping reduce cleanup, protect your health, and maintain a professional workspace.

The SYS-AIR features a powerful two-stage filtration system with a replaceable pre-filter and a high-efficiency HEPA main filter. With an airflow capacity of up to 400 CFM, it circulates and purifies air in spaces up to 613 square feet, achieving three full air changes per hour. Ideal for renovation, sanding, or demolition work where dust control is critical.

Key Features:

• Two-stage filtration system with replaceable pre-filter and HEPA main filter
• TripleV main filter design maximizes surface area and reduces clogging
• Adjustable airflow with Eco and Max modes
• Air disperses upward in three directions to minimize dust disturbance
• Signal light indicates when filters need replacement
• Integrated power cord storage in the lid
• Compatible with Festool Systainers, extractors, and vehicle racking systems
• Optional accessories include ceiling mount and air supply hose

Specifications:

• Model: 577791
• Format: Systainer³ M437
• Airflow: Up to 400 CFM (680 m³/h)
• Coverage: Up to 613 ft² (57 m²)
• Weight: 22 lbs (10 kg)
• Dimensions: 15.6" x 11.6" x 17.2"
• Noise Level: 55–65 dB
• Power Consumption: 200 W
• Cable Length: 9.8 ft (3 m)

Includes:

• SYS-AIR HEPA Unit
• Preliminary Filter (VF-SYS-AIR/5)
• Main Filter (HF-SYS-AIR H/HEPA)