Which filters does the Festool CT 26 take?

Cartridge filter 203759, Dust bag 496120, Cartridge filter 205412, Cartridge filter 496170, Dust bag 496187.

Festool CT 26 shop vac filters: 203759

Cartridge filter

Pleated cartridges clog with use. Replace one that stays dirty after a rinse.

Shop the cartridge filter on Amazon Other models that use 203759

Dust bag

Bags made to fit this model's inlet and tank.

Shop the dust bag on Amazon Other models that use 496120

Cartridge filter

Pleated cartridges clog with use. Replace one that stays dirty after a rinse.

Shop the cartridge filter on Amazon Other models that use 205412

Cartridge filter

Pleated cartridges clog with use. Replace one that stays dirty after a rinse.

Shop the cartridge filter on Amazon Other models that use 496170

Dust bag

Bags made to fit this model's inlet and tank.

Shop the dust bag on Amazon Other models that use 496187

1Cartridge filter203759

2Dust bag496120

Part numbers come from Festool (source 1, source 2), checked November 7, 2026. Amazon buttons open a search for the part number; we may earn a commission.

Where the model number is

On a label on the motor head or the side of the tank.

Other Festool shop vacs

CT 15CT 22CT 25CT 33CT 36CT 36 ACCT 48CT 48 ACCT MIDI