Introduction
This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your Festool CT 25 HEPA US Dust Extractor. Please read this manual thoroughly before initial use and keep it for future reference.
Safety Information
Always observe the following safety precautions to prevent injury and damage to the product:
- Ensure the power supply matches the specifications on the product label.
- Do not operate the dust extractor in wet conditions or in the presence of flammable liquids or gases.
- Always disconnect the power cord before performing any maintenance or cleaning.
- Wear appropriate personal protective equipment (PPE) such as safety glasses and dust masks.
- Do not use the dust extractor to pick up hot ashes, sharp objects, or hazardous materials without proper filtration.
- Keep children and unauthorized personnel away from the operating area.
Product Overview
The Festool CT 25 HEPA US is a compact and robust mobile dust extractor designed for efficient dust collection in various work environments. It features a high-performance turbine, HEPA filtration, and intuitive touch controls.

Image 1: Front view of the Festool CT 25 HEPA US Dust Extractor, showcasing its compact design and control panel.

Image 2: Angled view of the Festool CT 25 HEPA US Dust Extractor with the suction hose neatly stored on top.
Setup
- Unpacking and Inspection: Carefully remove the dust extractor and all accessories from the packaging. Inspect for any shipping damage.
- Included components: Suction hose (diameter 27/32 x 3.5 m RAS-CT), SELFCLEAN filter bag SC-FIS-CT 25, Crevice Nozzle D36, Upholstery Brush.
- Filter Bag Installation: Ensure a SELFCLEAN filter bag is correctly installed inside the container. Refer to the "Maintenance" section for detailed filter replacement instructions.
- Accessory Storage: The crevice nozzle and upholstery nozzle can be stored directly within the mobile dust extractor for convenience.

Image 3: A hand placing an accessory into the internal storage compartment of the Festool CT 25.
- Hose Connection: Connect the suction hose to the dust extractor's inlet port. The suction hose can be clamped to the mobile dust extractor using the elastic band for neat storage and transport.
- Power Connection: Plug the power cord into a suitable electrical outlet.
Operating Instructions
- Power On/Off: Use the intuitive touch control panel to power the unit on or off. The touch controls are designed for simple operation, even when wearing gloves.

Image 4: Close-up of the Festool CT 25 control panel with touch buttons for power and suction adjustment.
- Suction Adjustment: The dust extractor features 5 power levels for adjustable suction. Use the touch controls to select the appropriate suction power for your application.
- Tool Connection: For optimal dust extraction, connect the suction hose to your power tool's dust port. The antistatic function of the hose helps prevent static buildup during operation.
- Using the Flat Storage Area: The flat top surface of the dust extractor can be used as a convenient storage area for working materials, tools, or as a temporary seat.

Image 5: The flat storage area of the Festool CT 25 being used to hold safety glasses, gloves, and measuring tape.
- Mobility: The compact design and chassis with steel axles allow for simple transport. An optional telescopic handle can be used for even more convenient movement.

Image 6: A person demonstrating the easy transport of the Festool CT 25 using an optional telescopic handle.
Maintenance
Regular maintenance ensures the longevity and optimal performance of your Festool CT 25 HEPA US Dust Extractor.
- Filter Replacement: The HEPA filter can be replaced quickly, easily, and without tools from the outside of the unit.

Image 7: A hand demonstrating the removal of the HEPA filter from the side of the Festool CT 25 for replacement.
- Always use genuine Festool SELFCLEAN filter bags and HEPA filters for best performance and to maintain warranty.
- Replace the filter bag when full or when suction power noticeably decreases.
- Cleaning the Unit: Wipe down the exterior of the dust extractor with a damp cloth. Do not use harsh chemicals or abrasive cleaners.
- Hose Inspection: Regularly inspect the suction hose for any damage, kinks, or blockages. Clear any obstructions to maintain optimal airflow.
Troubleshooting
This section addresses common issues you might encounter with your dust extractor.
| Problem | Possible Cause | Solution |
|---|---|---|
| No power |
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| Reduced suction power |
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| Unusual noise |
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If the problem persists after attempting these solutions, please contact Festool customer support.
Specifications
| Feature | Detail |
|---|---|
| Brand | Festool |
| Model Name | CT 25 HEPA US |
| Part Number | 577533 |
| Special Feature | Compact, HEPA |
| Filter Type | HEPA Filter |
| Included Components | Suction hose diameter 27/32 x 3.5 m RAS-CT; SELFCLEAN filter bag SC-FIS-CT 25; Crevice Nozzle, D36; Upholstery Brush |
| Is Cordless? | No |
| Maximum Suction | 130 Feet (approx.) |
| Hose Length | 3.5 Meters |
| Recommended Uses | General cleaning, dust extraction from power tools (e.g., for carpet, furniture, hard floor, rug) |
| Form Factor | Canister |
| Motor Horsepower | 0.46 horsepower |
| Control Method | Touch |
| Number of Speeds/Power Levels | 5 |
| Portable | Yes |
| Indoor/Outdoor Usage | Indoor |
| Finish Type | Matte Black |
| Item Weight | 26.5 pounds |
| Product Dimensions | 19.29 x 12.99 x 29.13 inches |
| Date First Available | July 28, 2023 |
Warranty and Support
Festool products are known for their quality and durability. For specific warranty details and to register your product, please visit the official Festool website or contact their customer service.
For technical assistance, spare parts, or service inquiries, please refer to the contact information provided with your product or visit the Festool Brand Store.
Extended protection plans may be available for purchase separately. Please refer to the documentation provided by the plan provider for details.





