Carbon filter, Bosch cooker hood - 170 mm x 430 mm
Spares2go Carbon Charcoal Filter compatible with Bosch Neff Siemens Cooker Hood/Extractor Fan Vent (2 x 190 mm Filters) : Amazon.co.uk: Large Appliances
Bosch Neff Siemens Cooker Hood Carbon Filters - 2 Pack | Parts Centre