Extractor Filters For B&Q CATA COOKE & LEWIS Cookers. 2 x Cooker Hood Carbon Filter Round Vent. Compatible cooker hood carbon round filter. Change filters every 6 - 12 months depending on use. CHK60BK, CHK60SS, CHK70BK, CHK70SS, CHK90BK, CHK90SS, CHKL60SS, CHP60SS, CHP70SS, CHP90SS, MRN60, MRN60PK, MRN70, MRN90, MRN60WH, MRN70WH, MRN90WH, SBOX60SS, SBOX70SS, SBOX90SS, AGS60PK, APOLO 600, APOLO 700, APOLO 900, CTCG60, CTCH60, GCHEP60SS, GCHEP70SS, GCHEP90SS, GCHKL60SS, GCLED60SS, GCLED70SS, GCLED90SS, GHP61SS, GHP60SS, GHP71SS, GHP91SS, CHKX70SS, CHX60SS, CHX90SS, GHX60SS, GHX90SS, CHX90SS, CHK60SS.