A liquid emitter combination comprising: a reusable gas generator subassembly for generating gaseous material comprising a gas generator; and a disposable liquid emitter subassembly associated with said gas generator such that emission of said gaseous material by said gas generator subassembly will cause said disposable liquid emitter subassembly to emit liquid contained within a chamber formed therein, said disposable liquid emitter subassembly comprising a housing separated into two individual chambers (93,94) by a pliable sheet passing therethrough, wherein one of said chambers (93,94) is a liquid chamber and one of said chambers is a gas chamber, said gas chamber being in fluid communication with said reusable gas generator subassembly, and wherein said disposable liquid emitter subassembly housing further comprises: a plurality of outwardly-facing prongs dispersed about the outside of said housing; and an absorbant pad attached to said prongs, characterised in that the combination further comprises a gas intake nipple element extending from an outer wall of said housing, said gas intake nipple comprises an internal bore, said internal bore being in fluid communication with said gas chamber and said reusable gas generator subassembly, wherein said absorbant pad comprises an aperture formed therethrough, and from which said gas intake nipple protrudes when said absorbant pad is attached to said prongs. a reusable gas generator subassembly for generating gaseous material comprising a gas generator; and a disposable liquid emitter subassembly associated with said gas generator such that emission of said gaseous material by said gas generator subassembly will cause said disposable liquid emitter subassembly to emit liquid contained within a chamber formed therein, said disposable liquid emitter subassembly comprising a housing separated into two individual chambers (93,94) by a pliable sheet passing therethrough, wherein one of said chambers (93,94) is a liquid chamber and one of said chambers is a gas chamber, said gas chamber being in fluid communication with said reusable gas generator subassembly, and wherein said disposable liquid emitter subassembly housing further comprises: a plurality of outwardly-facing prongs dispersed about the outside of said housing; and an absorbant pad attached to said prongs, characterised in that the combination further comprises a gas intake nipple element extending from an outer wall of said housing, said gas intake nipple comprises an internal bore, said internal bore being in fluid communication with said gas chamber and said reusable gas generator subassembly, wherein said absorbant pad comprises an aperture formed therethrough, and from which said gas intake nipple protrudes when said absorbant pad is attached to said prongs. a plurality of outwardly-facing prongs dispersed about the outside of said housing; and an absorbant pad attached to said prongs, characterised in that the combination further comprises a gas intake nipple element extending from an outer wall of said housing, said gas intake nipple comprises an internal bore, said internal bore being in fluid communication with said gas chamber and said reusable gas generator subassembly, wherein said absorbant pad comprises an aperture formed therethrough, and from which said gas intake nipple protrudes when said absorbant pad is attached to said prongs.