Replacement Howdens Lamona Extractor Fan Vent Metal Grease Filter (Silver, 320 x 260mm) Fits Models: HJA2450, HJA2540 plus select models of Lamona cooker hood with filters matching the measurements below. Measurements: Outer measurements: 320mm x 260mm - Distance between front release points: mm - Distance either side of front release points: mm - Release point length: mm - Distance between rear hinges: mm - Distance either side of rear hinges: mm - Rear hinge length: mm This is an original spare part and will also fit several other makes. Please review the measurements in the gallery image to ensure a correct fit for your model. Genuine Howdens / Lamona Replacement Spare Part.