Carbon filter for kitchen hoods, 2 pieces Product code: Filter BT-S / 3480 Complete set with carbon filter type BT-S. The carbon filter is intended for use in kitchen hoods and is required for the hood to function as an air purifier. In this case, the fan does not need to be connected to a chimney. Recommended filter replacement is a maximum of every six months, depending on how often the fan is used. Main features: - Carbon filter enables the fan to function as an air purifier - Quick and easy to change - Suitable for selected kitchen hoods in the BT series - Contains 2 pieces Suitable for kitchen hoods: - Models: BT-200, BT-201, BT-202, BT-209, BT-210, BT-211, BT-212, BT-213, BT-214, BT-215, BT-223, BT-231 , BT-232, BT-236