Fume cupboards for laboratory use; variable air volume fume cupboards for laboratory use; pressure actuated vacuum vents; supervision (control) apparatus (automatic); time switches, automatic; parts, fittings, accessories and controls for the aforementioned goods; instruction manuals sold as a unit with the aforementioned

Scientific, surveying, weighing, measuring and checking (supervision) apparatus and instruments

Apparatus, installations and equipment for ventilating purposes; fume extractors; apparatus for exhausting, extracting and filtering fumes (ventilation); fans for fume extractors; filters for fume extractors; fume destructing hoods; fume exhausting hoods; variable air volume apparatus; ventilation installations for laboratories; air circulation apparatus; air delivery apparatus for use in industrial processes; air filter apparatus and installations; devices for absorbing pollutants and vapours from the air; electrostatic air filters; extractors; filtering installations for air; installations for aerating air in enclosed spaces; installations for air extraction; parts, fittings, accessories and controls for the aforementioned goods

A low voltage or solar powered exhaust system for removing stale/polluted air from a home during the day and depositing it to atmosphere allowing clean, fresh air to enter the home to equilibrate pressure

Air conditioning fans; air-conditioning fans; electric fans for ventilation; electrical fans being parts of household air conditioning installations; electrical fans being parts of household ventilation installations; electrically powered fans for ventilation purposes; extractor fans; fans (air-conditioning); fans (parts of air conditioning installations); fans being parts for air conditioning installations; fans for air conditioning installations; fans for exhaust extractors; fans for fume extractors; fans for use in air conditioning; fans for ventilating; roof fans; room air fans; room fans; ventilating fans

Air conditioning cleaning and sanitising; maintenance; installation