11 Air sterilizers; Air circulation apparatus, namely, electric fans; Air cleaning apparatus, namely, household air cleaners; Air conditioning apparatus; Air cooling apparatus; Electric air deodorizing apparatus; Air drying apparatus, namely, dehumidifiers; Air filtering apparatus, namely, air filtering installations; Air freshening apparatus, namely, electric air deodorizers; Air handling apparatus, namely, air handlers; Air heating apparatus, namely, electric space heaters; Air humidifying apparatus; Air ionizing apparatus, namely, air filters for air cleaners; Air purifying apparatus; Air separation apparatus, namely, separators for the cleaning and purification of air; air treatment apparatus, namely, humidifiers; Air ventilating apparatus, namely, ventilating exhaust fans; Filters for air cleaning, namely, air filters for air cleaning units