How Often Should I Change My BORA Filter?
The recirculation version of all BORA products rely on the efficient operation of activated charcoal filters and ensure that unpleasant cooking odours do not enter the room air, thus keeping the air in your kitchen always fresh.
Activated charcoal filters absorb unpleasant cooking odours, but their absorption capacity is limited. When activated charcoal is saturated, no further odours can be filtered, which is why the filter has to be replaced at certain intervals.
So how often do you need to replace the activated charcoal filter of your BORA system? It depends on your BORA product and its activated charcoal filter:
BORA Professional & BORA Classic
For both of these products in the recirculation version there are two options: the BORA air cleaning box flexible (ULBF) and the BORA air cleaning box with 3 activated charcoal filters (ULB3X).
The ULBF has to be replaced after 300 operating hours.
For the ULB3X, a replacement is necessary after 600 operating hours.
BORA Pure (PURU) & BORA X-Pure (PUXU)
BORA Pure: For the BORA Pure recirculation model, the BORA activated charcoal filter (PUAKF) is the right product. A replacement is necessary after 150 operating hours.
BORA Basic Models (BFIU, BIU, BHU & GP4U)
For the BORA Basic recirculation model, the BORA activated charcoal filter set (BAKFS) is the right product. A replacement is necessary after 150 operating hours.
All BORA products have one thing in common in terms of filter replacement, a built-in function. This function automatically counts down the operating hours. As soon as it lights up, you need to replace the activated charcoal filter:
BORA Professional, BORA Classic, BORA X Pure & BORA Pure, BORA Basic: The required filter replacement is indicated by an “F” symbol in the display area of the fan
BORA Classic 2.0: Here a 5-digit message appears on the display:
Activated Charcoal Filter
Activated charcoal consists mainly of carbon and graphite crystals with a large inner surface and a highly porous structure. Activated charcoal is used both for cleaning liquids and for odours. In the case of our BORA activated charcoal filter, the pore structure ensures that the activated charcoal traps cooking odours in its pores like a sponge. In comparison to a sponge, the activated charcoal stores the odour molecules in its pores and basically does not release them anymore.
In a BORA activated charcoal filter, the filters have an additional “acidic” ion exchanger layer which ensures that certain odour particles such as amino acids in fish are destroyed and thereby made odourless.
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