CTH 48l H Class Dust Extractor

Hazardous dust doesn't stand a chance
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The 48 litre Festool special application dust extractor is your only answer for safe, efficient hazardous dust removal. Asbestos, mould, fibrous mineral dust, lead, cadmium, nickel, zinc chromate - the carcinogenic and pathogenic dust doesn't stand a chance. With the high power suction turbine and a 99.995% degree of filtration there is no danger to health. The two layer safety filter bag prevents contact with the dust when disposing of the bag. Approved for dust class H. As an add on, the extractor can be fitted with air activated modules (for use with air tool on/off activation)or Bluetooth module for remote switching on/off of dust extractor or when working with cordless power tools.

H Class Dust Extractors are excluded from Festool’s 30 Day Money Back Guarantee.

H Class Dust Extractors come with standard 12 month warranty.

Optional: Festool H Class Dust Extractors Service Policy

Test report: EVA Respirable Crystalline Silica and Total Respirable Dust Exposures Report

Test report: ESP Airborne Occupational Exposure Report

Main Applications

  • Removal of carcinogenic and pathogenic dusts
  • Workshop and on site cleaning
  • Automatic operation with power and air tools
  • Wet and dry extraction

Festool dust extractors are fitted with a circuit breaker for safety when a connected load of 1200 watts is exceeded.
Some tools that draw higher wattage can trigger the circuit breaker and if initiated requires the reset button above the socket to be pushed in and reset.
When requiring to use larger wattage tools with dust extraction it is recommended the tool is operated off a separate outlet and a Bluetooth system can then be used to switch the dust extractor on and off as required.
When using tools it is recommended you always use the correct consumable for best results as even lower wattage tools can trip the circuit breaker if the system isn’t matched to the application. (e.g.: saw blade not matched to material)

Safe dust removal

Festool's CTH provides maximum safety in the case of carcinogenic and pathogenic dusts such as lead, cadmium, nickel and zinc chromate.

Safety sealed

The two layer safety filter bag prevents contact with the harmful dust when disposing of the bag.

High suction power

Super strong and yet super small, the high power turbine provides considerable higher suction power but takes up very little room.

Maximum utilisation

The flat filter design allows the filter bag to unfold easily and expand to use almost 100% of its capacity. Hold more dust in a more compact extractor.

Customise for your needs

Every extractor can be fitted with add on modules to suit different requirements including air modules, power socket with continuous current and EAA module.

Easy handling

The large handle makes it easy to manoeuvre to CTH into place. The integrated locking brake and oversized wheels ensure stability when stationary.

Antistatic Function
Dust extractors and tools with antistatic function to prevent static buildup when working.
CLEANTEC Connection System
Integrated bayonet fitting as the connecting element between the extractor and the tool.
Speed control for adjusting to the working material.
Tech Specs
Maximum Airflow (litres per minute)
3,900 l/min
Maximum Vacuum (Pa)
24,000 Pa
Filter Surface Area (cm2)
6,318 cm2
Power consumption
350 - 1,000 W
Airflow max.
3,900 l/min
Max. vacuum
24,000 Pa
Filter surface area
6,318 cm²
Rubber-insulated mains cable
7.5 m
Container/Filter Bag Capacity (litres)
48 L / 46 L
Dimension (L x W x H)
740 x 406 x 1005 mm
Power Consumption (W or kW)
Maximum 1200 W
All non hazardous dust
All types of wood dust
Plaster Dust
Quartziferous Dust
Mineral Dust
Paint dust
Zinc chromate dusts
Dusts with PAH content
Asbestos dust
glass and mineral wool
Auto Clean Function (Yes/No)
Dust Approval Rating
Dust Class H - high risk dust such as carcinogenic or pathogen contaminated dust
Mains Cable
Rubber Insulated
Mains Cable Length (m)
7.5 m
Dimensions - L x W x H (mm)
740 mm x 406 mm x 1,005 mm
Weight (kg)
18.8 kg
CTH 48 Dust Extractor
Integrated Hose Garage
Cord Holder
Antistatic Suction Hose D27/32x3.5 m
SYS-Dock with T-LOC Function
Tool Manual
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