Key Features
CT SYS FitThese bags are built specifically for the Festool CT SYS mobile dust extractor, so you get the right fit and clean disposal without fighting with off-brand bags that do not seat correctly. Tear-Resistant FleeceThe fleece bag material is designed to hold up under normal shop and jobsite debris, helping prevent blowouts and making bag changes less messy. Maximizes Bag VolumeThe SELFCLEAN bag design is made to use the available bag space efficiently, which helps maintain practical capacity in a compact dust extractor setup.
Overview
Festool 500438 CT-SYS Filter Bags, 5-Pack is a replacement dust bag set for the Festool CT SYS mobile dust extractor. This is a dust extractor filter bag designed for collecting dust and debris during cleanup and tool-connected dust extraction. If you run a CT SYS for punch-list work, service calls, cabinet installs, or small-space sanding and drilling cleanup, this is the bag set that keeps the vacuum working the way it should. Model Number: 500438.
What matters here is fit and function. These bags are made specifically for the CT SYS, not as a universal substitute. That means the bag is shaped for the extractor, connects correctly, and is intended to capture dust for cleaner disposal. Festool also builds these with SELFCLEAN fleece material, which is meant to use the bag volume efficiently instead of collapsing into a dead lump too early.
The fleece construction matters more than it sounds on paper. A cheap paper bag can split, leak, or load up fast. Festool calls out highly tear-resistant filter fleece, which is the right move in a compact extractor that gets carried from room to room and job to job. If you are working inside finished spaces, keeping dust contained when it is time to dump the bag is a real advantage.
This pack is rated for dust with limit values greater than 1 mg/m³, which makes it a practical option for general dust and debris collection in the kinds of woodworking, remodeling, and interior service work the CT SYS is known for. It is built around clean handling and convenience, not around replacing a larger extractor on high-volume debris or specialty fine dust jobs.
Compatibility is simple and important: these replacement bags are for the Festool CT SYS mobile dust extractor. That is the system match that matters. If you own that extractor, these are the consumables you keep on hand so the vacuum stays ready for the next install, trim adjustment, cabinet touch-up, or light cleanup task.
Who should buy them? Anyone already running a CT SYS and wanting the correct OEM replacement bag. Pros will care about reliable fit, cleaner disposal, and maintaining extractor performance. Serious DIY users will care that they are buying the right bag the first time instead of guessing through third-party options. Bottom line: if the CT SYS is your compact dust extractor, these are the bags that belong in it.
Festool 500438 CT-SYS Filter Bags, 5-Pack for Clean, Quick Disposal
This is the kind of accessory that earns its keep by keeping cleanup simple. The right bag helps contain debris, protects against messy changes, and keeps your compact Festool dust extractor set up the way it was designed to run.
- SELFCLEAN fleece design for efficient use of bag volume
- Made for Festool CT SYS mobile dust extractor compatibility
- Tear-resistant filter fleece for cleaner handling during disposal
What’s in the Box
- (5) Festool CT SYS filter bags
Dust extractor not included.
Key Specifications
| Tool Type | Dust extractor filter bag |
|---|---|
| Compatibility | Festool CT SYS mobile dust extractor |
| Material | SELFCLEAN tear-resistant fleece |
| Quantity | 5 bags per pack |
| Capacity | 4.5 L |
| Weight | 0.96 lbs |
| Dust Rating | For dust with limit values> 1 mg/m³ |
| Made In | Germany |
Compatibility
Dust Extractor PlatformDesigned for the Festool CT SYS mobile dust extractor. Replacement Accessory TypeOEM replacement fleece dust bags for CT SYS extractor maintenance and debris collection.
Built For
Woodworking Cabinet Installation Finish Carpentry Remodeling Interior Service Work Jobsite Cleanup
Tool Nut’s Take
Tool Nut’s Take
Buy the Right Bag and Keep the CT SYS Useful
The Festool 500438 CT-SYS Filter Bags, 5-Pack is the simple, correct choice for CT SYS owners who want clean disposal, proper fit, and no nonsense.
- Who it’s for: CT SYS users doing punch-list work, trim installs, cabinet jobs, and other small-space dust extraction tasks.
- Why it stands out: OEM fit, SELFCLEAN fleece construction, and a design that makes better use of the bag volume than generic replacements.
- Worth knowing: This is a dedicated CT SYS consumable, so it makes sense only if you already own that extractor.
Common Questions
- What dust extractor does this bag fit? It is designed for the Festool CT SYS mobile dust extractor.
- What is the bag made from? It uses SELFCLEAN tear-resistant fleece material.
- How many bags come in the pack? This package includes five filter bags.
- Where is it made? The product data lists Germany as the country of origin.
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