[Class : 11] Air Showers For Cleanrooms; Clean Rooms; Air Conditioning Apparatus For Use In Clean Rooms; Clean Chambers; Clean Room Installations; Heating Installations For Nitrate Solutions; Air Treatment Equipment; Water Conditioning Equipment; Air Cleaning Devices; Apparatus For Cleaning Air; Electric Machines For Cleaning Air; Ventilation Installations; Ventilation Apparatus; Air Vents [Ventilation Systems]; Air Impellers For Ventilation; Ventilation Hoods For Laboratories; Ventilation [Air Conditioning] Installations For Laboratories; Dehumidifiers; Air Handling Units; Showers; Cleanroom Air Showers; Freestanding Decontamination Showers; Sink Units; Ductless Fume Enclosures For Laboratory Use; Fume Cupboards For Laboratory Use; Filters For Dehumidifiers; Industrial Dehumidifiers; Air Dehumidifiers; Antibacterial Filters For Dehumidifiers; Dehumidifiers For Use In Operating Rooms; Air Filters For Dehumidifiers; Environmental Control Apparatus And Installations For Sanitizing Purposes; Apparatus For Sanitizing Purposes; Sanitizing Apparatus; Environmental Control Apparatus For Sanitizing Purposes; Air Conditioning Apparatus; Air Doors Being Air Conditioning Apparatus; Apparatus For Air Conditioning; Room Air Conditioning Apparatus; Smart Air Conditioning Apparatus; Air Conditioning Apparatus And Installations; Air Conditioning Apparatus For Ships; Air Conditioning Apparatus For Public Buildings; Air Conditioning Units; Air Filters For Air Conditioning Units; Ceiling Vents; Ceiling Lights; Ceiling Light Fittings; Ceiling Lights [Lamps]; Air Handling Units; Shower Booths; Downflow Booths; Power Showers; Electric Showers; Showers; Cleanroom Air Showers; Freestanding Decontamination Showers; Drench Showers For Decontaminating People From Hazardous, Flammable, Corrosive, Reactive Or Toxic Substances; Sink Units; Ductless Fume Enclosures For Laboratory Use; Fume Cupboards For Laboratory Use.