Festool Longlife-HF-CT/2 Long-Life Main Filter for CT 11, 22, 33, 44 &

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Saddle Creek

Festool Longlife-HF-CT/2 Long-Life Main Filter for CT 11, 22, 33, 44 & 55 - 2 Pack

R 3,027.95

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Festool Longlife-HF-CT/2 Long-Life Main Filter

At a Glance: Robust reusable polyester flat-pleated main filters with 99.9% retention, designed for Festool CT 11, CT 22, CT 33, CT 44 and CT 55 dust extractors. Supplied as a pack of 2.

Keep your compatible Festool CLEANTEC dust extractor working cleanly and efficiently with the Longlife-HF-CT/2 long-life main filter set. Manufactured from durable polyester, these robust flat-pleated filters are designed to capture the residual fine dust that passes beyond the extractor's filter bag before the cleaned air is returned to the room. With a specified retention value of 99.9%, the Longlife-HF-CT/2 provides dependable filtration for suitable mineral dust, wood dust, filler and lacquer sanding residue encountered during professional workshop, joinery, construction and finishing applications. Unlike an ordinary disposable filter element, the long-life polyester construction is particularly robust and designed to provide extended service when correctly maintained. The generous pleated surface provides effective filtration while retaining the compact format required by compatible Festool CT extractors. Supplied as a practical pack of two filters, the Longlife-HF-CT/2 is an excellent maintenance accessory for professionals who rely on their CT 11, CT 22, CT 33, CT 44 or CT 55 extractor to maintain dependable airflow and clean working conditions.

Durable. Robust. Clean.

The main filter is the final filtration stage before extracted air is returned to the surrounding environment. The Longlife-HF-CT/2 is manufactured from durable polyester and captures residual particles that have not been retained by the filter bag. Its flat-pleated construction provides a large effective filtration surface in a compact space and achieves a specified retention value of 99.9%.

Product highlights

Long-life polyester construction: Durable filter material is designed for extended professional service compared with conventional disposable filter media.
99.9% retention value: The flat-pleated filter retains 99.9% of relevant residual particles passing through the filtration stage.
Captures residual dust: Filters fine particles that are not retained by the dust extractor's filter bag.
Suitable for mineral dust: Designed for suitable mineral dust generated during professional construction and finishing applications.
Suitable for wood dust: Ideal for compatible woodworking extraction applications involving suitable wood dust.
Useful for filler sanding: Suitable for extraction of dust generated when processing fillers.
Suitable for lacquer residue: Can be used for appropriate dust produced during lacquer and coating preparation.
Flat-pleated design: Provides a large filtration surface while taking up minimal space inside the extractor.
Maintains cleaner exhaust air: Helps prevent residual dust from being returned to the room through the extractor exhaust.
Protects extractor performance: Correct filtration helps keep dust away from the turbine and internal extractor components.
Compatible with multiple CT sizes: Designed for Festool CT 11, CT 22, CT 33, CT 44 and CT 55 mobile dust extractors.
Dust classes L and M: Intended for compatible Festool extraction applications within the relevant L and M dust-class configurations.
Two filters supplied: Pack contains two Longlife-HF-CT main filters for convenient maintenance and replacement.

Product Compatibility

Festool CT 11: Compatible with the Festool CT 11 mobile dust extractor.
Festool CT 22: Compatible with the Festool CT 22 mobile dust extractor.
Festool CT 33: Compatible with the Festool CT 33 mobile dust extractor.
Festool CT 44: Compatible with the Festool CT 44 mobile dust extractor.
Festool CT 55: Compatible with the Festool CT 55 mobile dust extractor.

Note: Always confirm the exact extractor model and required filter specification before installation. The filter must be used only for dust and applications permitted by the extractor's operating instructions and applicable dust-class requirements.

Features

Polyester filter material: Robust synthetic construction provides good durability for regular professional use.
Long-life design: Developed to provide extended service when correctly maintained.
Flat-pleated construction: Maximises filter surface area within the compact extractor housing.
99.9% retention: High filtration efficiency captures the great majority of residual dust reaching the main filter.
Residual dust filtration: Captures particles that pass through or around the filter bag before air leaves the extractor.
Suitable for mineral and wood dust: Designed for common professional extraction applications involving these materials.
Suitable for filler and lacquer dust: Useful in sanding, painting and surface-preparation environments.
Two-piece pack: Provides a convenient spare filter for ongoing extractor maintenance.

Benefits

Cleaner exhaust air: The main filter captures residual particles before extracted air is returned to the room.
Reliable dust extraction: A clean, correctly maintained main filter allows the extractor to maintain effective airflow.
Long service potential: Durable polyester construction makes the Longlife filter suitable for repeated professional use.
Reduced maintenance interruptions: Keeping a second filter available makes scheduled cleaning and replacement more convenient.
Supports extractor protection: The main filter forms an important barrier between collected dust and the extractor turbine.
Excellent workshop versatility: Suitable for common woodworking, sanding, filler and mineral-dust extraction applications within the permitted extractor classification.
Correct Festool fit: Designed specifically for compatible CT extractors, avoiding improvised or poorly fitting filter solutions.
Professional system performance: Using the correct Festool filter helps preserve the intended filtration and airflow characteristics of the extraction system.

Application

Filtering residual dust in compatible Festool CT mobile dust extractors.
Extraction of suitable wood dust.
Extraction of suitable mineral dust.
Dust extraction during filler sanding.
Dust extraction during suitable lacquer and coating preparation.
Woodworking and joinery workshops.
Furniture and cabinetmaking.
Professional sanding applications.
Painting and surface preparation.
Construction and renovation work.
Routine servicing of compatible Festool CT dust extractors.

Specifications

Description	Spec
Brand	Festool
Cat No.	FES454869
Festool Order No.	454869
Product Type	Long-Life Main Filter
Model	Longlife-HF-CT/2
Filter Material	Polyester
Filter Design	Flat Pleated Filter
Retention Value	99.9%
Suitable Dust Applications	Suitable Mineral Dust, Wood Dust, Filler and Lacquer Dust
Dust Class Applications	Compatible L and M Dust-Class Extraction Applications
Compatible Extractors	CT 11, CT 22, CT 33, CT 44, CT 55
Quantity	2 Pieces

Scope of Delivery:

2 x Festool Longlife-HF-CT long-life polyester main filters

Extra Info

Extra Information

What does the main filter do? The filter bag captures the majority of extracted material, while the main filter provides an additional filtration stage before the air passes through the turbine and is returned to the surrounding environment.
Why is 99.9% retention important? The high retention value means only a very small proportion of the relevant residual particles passing through the filter media can continue beyond the main filtration stage.
Why polyester? Polyester filter media is robust and resistant to the mechanical stresses associated with repeated professional extraction use, making it suitable for a long-life filter design.
Flat-pleated filter design: Folding the filter material into numerous pleats creates a much larger filtration surface than a flat sheet of the same overall dimensions.
Airflow depends on filter condition: As dust accumulates within the filter media, resistance to airflow increases. Regular inspection and appropriate cleaning are important for maintaining extractor performance.
A blocked filter affects suction: If extraction performance noticeably decreases, check the filter bag, suction hose and main filter before assuming that there is a mechanical problem with the extractor.
Dust class matters: Always match the complete extractor, filter system and work procedure to the hazard classification of the material being collected. The filter alone does not upgrade an extractor to a different certified dust class.
Correct installation matters: A damaged, incorrectly seated or unsuitable main filter can allow dust to bypass the intended filtration path and may affect both extraction performance and turbine protection.

Filter bag and main filter – two different jobs

The filter bag is the primary collection stage and holds most of the dust and debris extracted from the work area. The Longlife-HF-CT/2 main filter then captures residual particles that remain in the airflow. Using both components correctly helps maintain effective extraction, protect the turbine and ensure cleaner air is returned to the room.

Pro Tips

Inspect the main filter whenever you notice a reduction in suction performance, but check the filter bag and hose for restrictions at the same time.
Keep one of the two supplied filters clean and available as a spare. This allows the extractor to return to service while the other filter is being inspected or maintained.
Do not wait until the filter is completely blocked before servicing it. Restricted airflow can reduce extraction efficiency at the connected power tool.
Handle the pleated filter carefully during cleaning. Damaged pleats or punctures can compromise filtration performance.
Never use sharp objects to scrape embedded dust from the filter material.
Before reinstalling the filter, check the sealing surfaces and remove loose dust that could prevent the filter from seating correctly.
Always use a correctly fitted Festool filter bag where the extractor and application require one. The long-life main filter is not a substitute for the primary collection bag.
If sanding fine filler or coatings for extended periods, check the filter more frequently because very fine particles can load the filtration surface quickly.
When changing from one material type to another, clean the extractor appropriately to avoid transferring incompatible or contaminating dust into the next application.
Replace the filter immediately if the polyester media, frame or sealing surfaces are damaged.
Never assume that fitting an M-compatible filter changes the certified dust classification of the extractor. The complete extraction system must meet the required classification.

How to Use

Switch off the dust extractor and disconnect it from the mains supply before accessing the main filter.
Confirm that the extractor is a compatible Festool CT 11, CT 22, CT 33, CT 44 or CT 55 model.
Open the extractor according to the Festool operating instructions and locate the existing main filter.
Remove the old filter carefully to avoid releasing accumulated dust unnecessarily.
Inspect and clean the filter mounting and sealing surfaces without allowing debris to enter the turbine area.
Check the Longlife-HF-CT filter for damage before installation.
Fit the filter into the designated position, making sure it is correctly seated and sealed.
Close and secure the extractor housing according to the machine instructions.
Check that the appropriate filter bag or collection system is also correctly fitted.
Reconnect the extractor and briefly test its operation and airflow before beginning work.
Inspect the filter periodically and clean or replace it when excessive dust loading begins to reduce suction performance.
Dispose of accumulated dust in accordance with the material manufacturer's instructions and applicable workplace regulations.

Safety

Always switch off and disconnect the dust extractor from the mains supply before removing, inspecting or replacing the main filter.
Wear suitable respiratory protection and protective equipment when handling filters contaminated with fine dust.
Identify the dust being collected and confirm that the complete extractor and filtration system are approved for that material.
Do not assume that fitting this filter changes or upgrades the certified dust class of the extractor.
Use the filter only with compatible Festool CT 11, CT 22, CT 33, CT 44 and CT 55 extractors.
Do not operate the extractor without the main filter correctly installed.
Do not use a torn, punctured, cracked or otherwise damaged filter.
Make sure the filter is fully seated and that its sealing surfaces are clean before closing the extractor.
Use the correct filter bag or collection system specified for the extractor and application.
Avoid creating airborne dust when removing or cleaning a used filter.
Do not use aggressive cleaning methods or sharp tools that could damage the polyester filter media.
Dust from wood, fillers, lacquers and mineral materials may present health hazards. Observe applicable occupational exposure and dust-control regulations.
Do not use the filter for asbestos or other specially regulated hazardous materials unless the complete extractor system is specifically certified and approved for that application.
Dispose of collected dust and damaged filters in accordance with the requirements for the material being extracted and applicable local regulations.
Read and follow the Festool dust extractor operating instructions and all applicable workplace safety requirements before use.