If you have BORA Classic or BORA Professional system, the following step-by-step instructions for replacing the activated charcoal filters will help you:

Replacement for BORA air cleaning box flexible (ULBF)

1. 1. Switch off the cooktop extractor.
   2. Open the revision option to access your appliance.
   3. Loosen the appliance from the angle brackets or Velcro fastener.
   4. Remove the appliance from the ducting.
   5. Clean the ducting with a soft cloth and detergent or water.
   6. Connect the new filter to the duct piece. Pay attention to the seal so that it does not slip.
   7. Position the new filter and fix it with the angle brackets, just like the old air filter.
   8. Check the duct connections for leaks, tightness and correct operation of the appliance. Do this by putting the cooktop extractor into operation. If necessary, use the operating instructions of your BORA product.
   9. If the cooktop extractor works correctly, close the revision option and dispose of the used filter properly

Replacement for BORA air cleaning box with 3 activated charcoal filters (ULB3X)

1. 1. Switch off the cooktop extractor.
   2. Open the revision option to access your filter.
   3. Loosen the activated charcoal filter cartridges by twisting them anticlockwise. Carefully remove the loosened activated charcoal filter cartridges.
   4. Install the new activated charcoal filter cartridges one after another.
   5. (This is only necessary if the previous model ULB3 was installed): Open the cover flap attached to the left or right hand side.
   6. (This is only necessary if the previous model ULB3 was installed): Remove the used fine filter. Note: in the new model – ULB3X – a fine filter is no longer required.
   7. Check all duct connections for leaks, tightness and correct operation of the appliance. Do this by putting the cooktop extractor into operation. If necessary, use the operating instructions of your BORA product.
   8. If the cooktop extractor works correctly, close the revision option and dispose of the used filters properly.