Grease filters should be replaced regularly. As the filters trap the grease from the air, they will become blocked over time. If the filters are filled with greasy residue, your cooker hood won't work as efficiently. Dimensions: 339 x 257 x 9mm. Please check below for the list of compatible cooker hoods. Image for illustration purposes only. Grease filter for 60cm electriQ Chimney Hoods (2 filters required for eiQCHIM60SC, eiQCHIM60BL, eiQCHIM60SCTOUCH, eiQCHIM60BLTOUCH). Grease filter for 70cm electriQ Curved Glass Chimney Hoods (1 filter required for eiQCURV70SC, eiQCURV70BL).