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Commercial · Kärcher

Kärcher T 12/1 Vacuum Bags

The Kärcher T 12/1 takes Kärcher T 10/1 / T 12/1 bags. Here's the exact part number, the top-rated packs in stock today, and how to replace it.

By BolsasPro Team Updated on ⏱ 2 min read

✅ Quick answer

The Kärcher T 12/1 uses Kärcher T 10/1 / T 12/1 bags (genuine part number 6.904-315.0).

Genuine part numbers
6.904-315.06.904-312.0
Vacuum type
Commercial vacuum
Typical material
Mixed
Capacity
10 liters

Fits all its variants: T12/1, T 12/1 Adv, T 12/1 eco!efficiency, T 12/1 Professional.

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📑 Contents +

Kärcher T 12/1 bags in stock

See more compatible bags on Amazon →

BolsasPro score: combines the average rating and the number of buyer reviews on Amazon.

How to confirm it's your model

Find the vacuum's rating plate: it's usually on the bottom or under the bag compartment lid. It shows the exact model. If it matches the Kärcher T 12/1 or one of its variants (T12/1, T 12/1 Adv, T 12/1 eco!efficiency, T 12/1 Professional), these bags will fit.

Tip: if you still have a used bag, check the cardboard collar. If it says 6.904-315.0, you're on the right track.

How to change the bag on the Kärcher T 12/1

  1. Unplug the vacuum and open the tank.
  2. Remove the used bag by its collar and seal it with the tab.
  3. Fit the new bag onto the intake until it clicks into place.
  4. Check the main filter and close the tank again.

How often should you change the bag?

In commercial use, daily or every few days. Change it at 3/4 full to avoid straining the motor.

Equivalent part numbers

These part numbers all refer to the same bag. If a compatible pack lists any of them, it fits your vacuum:

  • 6.904-315.0
  • 6.904-312.0

Other vacuums that use the Kärcher T 10/1 / T 12/1 bag

If you own any of these vacuums, you can buy exactly the same bags:

More Kärcher models

Frequently asked questions

What bag does the Kärcher T 12/1 take?+

The Kärcher T 12/1 uses Kärcher T 10/1 / T 12/1 bags. The genuine part number is 6.904-315.0 (also listed as 6.904-312.0). Compatible bags that list that part number or the model in the title also fit.

Do compatible bags work in the Kärcher T 12/1?+

Yes. Good-quality compatible bags have the same cardboard collar and are usually multi-layer microfiber, which filters as well as or better than the original paper. Pick packs with lots of reviews that list part number 6.904-315.0.

How often should you change the bag on the Kärcher T 12/1?+

In commercial use, daily or every few days. Change it at 3/4 full to avoid straining the motor.

Can I use the Kärcher T 12/1 without a bag?+

For dry debris, it's not recommended: the bag protects the main filter and the motor. Without it, the filter clogs quickly.

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