7
Filters; filtering apparatus, instruments and devices; filter cartridges; filter elements; housings for filters, filter cartridges and filter elements; materials separation apparatus, instruments and devices; filters and filtering devices which also act as silencers; parts and fittings for all the aforesaid goods; all included in class 7, and not including any such goods for use in commercial and residential installations for regulating ambient air quality by removing odours, chemicals and particulates, including replacement filters, parts and other accessories for such installations
9
Filters; filtering apparatus, instruments and devices; filter cartridges; filter elements; housings for filters, filter cartridges and filter elements; materials separation apparatus, instruments and devices; apparatus, instruments and devices for use in the purification and sterilisation of liquids and gases; breathing apparatus, respiratory masks, filters and filtering devices; parts and fittings for all the aforesaid goods; all included in class 9, and not including any such goods for use in commercial and residential installations for regulating ambient air quality by removing odours, chemicals and particulates, including replacement filters, parts and other accessories for such installations
11
Filters; filtering apparatus, instruments and devices; filter cartridges; filter elements; housings for filters, filter cartridges and filter elements; materials separation apparatus, instruments and devices; filters and filtering devices which also act as silencers; apparatus, instruments and devices for use in the purification and sterilisation of liquids and gases; drying apparatus and installations; parts and fittings for all the aforesaid goods; all for d omestic, commercial or industrial use and all included in class 11, and not including any such goods for use in commercial and residential installations for regulating ambient air quality by removing odours, chemicals and particulates, including replacement filters, parts and other accessories for such installations
17
Filter materials; membrane filters; all included in class 17, and not including any such goods for use in commercial and residential installations for regulating ambient air quality by removing odours, chemicals and particulates, including replacement filters, parts and other accessories for such installations