Grease filters should be replaced regularlyAs the filters trap the grease from the air they will become blocked over timeIf the filters are filled with greasy residue your cooker hood won't work as efficientlyDimensions 339 x 257 x 9mmPlease check below for the list of compatible cooker hoodsImage 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 . .