Product information "Clamping bracket with 2 lugs for B 400 / B 500 / B 600"
The clamping bracket with two lugs for the BRUNE humidifiers B 400/B 500 and B 600 ensures that the filters are held securely. Please note that it is not possible to use an additional activated carbon cleaning filter with the clamping bracket with two lugs for use in the B 500. Use the clamping bracket with four lugs for this purpose.