Festool 577790 400CFM Mobile Air Filter System SYS-AIR

Improve air quality on the job site or in your workshop with the Festool SYS-AIR 400 CFM Mobile Air Filter System. Designed for efficient airborne dust filtration, this compact, lightweight, and portable air cleaner removes even the finest dust particles that traditional extraction systems might miss. With a powerful two-stage filtration system, it captures dust at the source and prevents it from settling on surfaces or lingering in the air. Ideal for renovation, woodworking, and industrial applications, the SYS-AIR features adjustable airflow settings, a smart air dispersion system, and easy mobility thanks to its Systainer³ format. Whether you’re working in a confined space or an open shop, this unit ensures cleaner air, less cleanup, and a healthier workspace.

Please note: Festool offers a 1 Year Limited Warranty but you can add an additional 2 Years when you register your tool within 30 Days of Purchase.

Festool 400CFM Mobile Air Filter System SYS-AIR At a Glance

• Powerful Two-Stage Filtration: Captures fine airborne dust for a cleaner and healthier workspace.
• Adjustable Airflow Settings: Choose between Eco mode for efficiency and Maximum mode for high air circulation.
• Large Filtration Surface: The TripleV main filter (3,812 in²) and preliminary filter (1,332 in²) maximize dust capture and extend filter life.
• 400 CFM Airflow: Cleans the air in rooms up to 613 ft² (57 m²) three times per hour for thorough dust removal.
• Smart Air Dispersion: Releases filtered air in three directions (left, right, and back) to minimize dust disturbance.
• Filter Condition Indicator: Signal light alerts when the filter is clogged and needs replacement.
• Integrated Storage & Portability: Systainer³ format with T-LOC compatibility for easy stacking and storage.
• Extended Power Cord: 24.6 ft (7.5 m) cable neatly stores in the lid, preventing tangling.
• Additional Connection Port: A 7-7/8” (200 mm) hose connection (accessory) allows for directing filtered air into hard-to-reach spaces.
• Lightweight & Portable: Weighs only 21.82 lbs (10.2 kg) with a convenient carry handle for easy job site mobility.
• Ceiling Mount Compatible: Can be suspended from the ceiling or placed in dust protection walls using available accessories.

Markets

• Woodworking Shops: Captures fine sawdust, reducing airborne contaminants and keeping surfaces cleaner.
• Renovation & Demolition: Removes construction dust, improving air quality and reducing cleanup time.
• Job Site Workspaces: Portable and efficient for controlling dust in enclosed or hard-to-ventilate areas.
• Automotive & Finishing Shops: Reduces paint overspray particles and improves air clarity for finishing work.
• Industrial & Manufacturing Facilities: Ensures a healthier work environment by filtering fine particulate matter.
• Trade Schools & Workshops: Keeps training environments safe, ensuring better air circulation for students.

Dust control is a critical part of any professional workspace, and the Festool SYS-AIR is designed to remove airborne contaminants efficiently. Its high-performance filtration system captures fine dust particles, keeping your environment clean and reducing the risk of respiratory hazards. With a filtration surface of over 3,800 in² (24,600 cm²), it provides superior dust collection while extending filter life and reducing maintenance costs. The unit’s powerful 400 CFM airflow can exchange the air in a 613 ft² (57 m²) space three times per hour, significantly improving workshop air quality. Additionally, its Systainer-compatible design allows for easy stacking, storage, and transport, making it perfect for on-the-go tradespeople.

Festool 577790 400CFM Mobile Air Filter System SYS-AIR Features

• For hard-to-reach areas or dust barrier walls, a large air supply hose with a 7-7/8” (200 mm) diameter and adapter plate is available as an accessory.
• Thanks to T-LOC compatibility, it easily connects to all Festool Systainers and extractors. The air filter fits seamlessly into Systainer Systems vehicle racking systems.
• The SYS-AIR can be easily transported on the SYS-RB cart or a Festool Dust Extractor.
• Portable for use on the job site. Or placed conveniently in the workshop to save space. The air purifier can be mounted with the ceiling suspension accessory.
• The power cord has a permanent and secure place in the Systainer lid. This means that it does not get in the way during transport or storage.
• Weighing just 22 lbs (10 kg), this air filter comes in a practical Systainer format with a convenient carrying handle.
• With a powerful airflow of 400 cfm (680 m³/h), it effectively cleans the air in rooms up to 613 ft² (57 m²), achieving three complete air changes per hour.
• The electrical outlet module provides convenient power options.
• Fan speed can be adjusted to two levels: Eco mode for efficiency and maximum mode for high air circulation.
• The filtered air flows upward in three directions—left, right, and back—reducing dust disturbance and minimizing disruptive air currents.
• Most airborne dust is captured by the preliminary filter, protecting the main filter and allowing for quick, easy, and cost-effective replacement.
• The main filter features a unique TripleV design with a large surface area, which helps reduce clogging and extends filter life.
• A signal light indicates filter condition: green means the filter is functioning well, while red signals that the filter is contaminated and needs replaced.
• Lightweight and easy to use
• Powerful performance
• Extra electrical outlet
• Compatible with other equipment
• Mobile base for easy movement
• Flexible placement options
• No tangled cords

Festool 577790 400CFM Mobile Air Filter System SYS-AIR Includes

• (1) Preliminary Filter VF-SYS-AIR
• (1) Main Filter HF-SYS-AIR
  

Festool 577790 400CFM Mobile Air Filter System SYS-AIR Specifications

• Filtration Surface (Main Filter): 3,812 in² (24,600 cm²)
• Filtration Surface (Preliminary Filter): 1,332 in² (8,600 cm²)
• Maximum Airflow: 423 CFM (720 m³/h)
• Noise Level: 55 – 65 dB
• Power Consumption: 200 Watts
• Drive Type: 120V AC
• Cable Length: 24.6 ft (7.5 m)
• Weight: 21.82 lbs (10.2 kg)
• Dimensions (L x W x H): 15.6″ x 11.6″ x 17.2″ (396 x 296 x 437 mm)

Festool 577790 400CFM Mobile Air Filter System SYS-AIR Warranty

• Festool’s 1 Year Limited Warranty or add 2 Years when Registered within 30 Days of Purchase

Why Professionals Choose the Festool 400CFM Mobile Air Filter System SYS-AIR

Even with high-performance dust extractors, fine airborne particles can still escape, settling on surfaces and impacting air quality. The Festool SYS-AIR provides an additional layer of protection, removing dust that might otherwise linger in the air. Its powerful yet quiet operation (55-65 dB) makes it ideal for indoor environments, and its compact Systainer format ensures it fits seamlessly into your workspace or vehicle racking system. Whether you’re working with wood, drywall, or other fine dust-producing materials, this unit helps maintain a cleaner job site while reducing cleanup time and improving overall air safety.

For professionals who take air quality seriously, the SYS-AIR is an essential tool—helping to create a healthier workspace and leaving a lasting impression of professionalism on every job.