11 Apparatus for ventilating purposes, namely, laboratory ventilation hoods, ventilating exhaust fans, ventilation hoods; Air filters for air conditioners in vehicle passenger compartments, for air conditioning units, for domestic use; air filtering units and installations; Air filtering devices being air filtering units; Air cleaning filters for use with air cleaning units; air purification units and installations; air purification devices being air purifiers; air purification filters; space heating, ventilating, and air conditioning apparatus; electrostatic precipitators for cleaning air; Filters for air cleaning devices for sanitizing air; Sanitary apparatus and installations, namely, air sanitizing units; apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes, namely, HVAC units, lighting installations, steam generating installations, apparatus for disinfecting water, cooking ranges, clothes dryers