humidifiers accessories essick air products essicka humidifier bacteriostatic treatment controls actes aircare aircare aircare lavender eucalyptus vanilla eucalyptus vanille lavande eucalipto vainio lavande demineralization cartridge cartridge reduces mineral build-up in your essential oil variety and eucalyptus humidifier cleaning ball keeps cleaning for 30 days humidifier bacteria treatment helps control bacteria and algae build-up keeps water smelling fresh some items are stocked in select locations