Charcoal Carbon Filter for Prima Cooker Hood. This is a brand new, replacement anti-odour charcoal filter designed to restore your cooker hood to optimal performance. The filter contains activated charcoal to effectively manage smoke and food odours in recirculating cooker hoods. For best results, filters should be replaced every 6 to 12 months to ensure your appliance functions as specified. Dimensions: Outer Diameter: 190 mm, Inner Diameter: 170 mm, Height: 38 mm with centre fixing. This pack contains 1 filter. Compatible with PRIMA LIA135 cooker hoods.