Venting equipment for kitchens, namely, downward-operating venting equipment in the nature of ventilating exhaust fans, ventilation units for commercial food preparation and food servicing, ventilation hoods for stoves, oven ventilator hoods, and downward-operating venting equipment for work surfaces in the nature of downward-operating ventilating exhaust fans, ventilating units for commercial food preparation and food services; ventilating equipment, namely, ventilating exhaust fans, ventilation units for commercial food preparation and food serving; filters for air conditioning; filters being parts of household and industrial installations, namely, air filters for domestic and industrial use, filtering units for water filtering; fireplace hearths; cooking hobs in the nature of apparatus for cooking, namely, cooktops; cooking rings; air filtering installations; air purifying apparatus; extraction systems for kitchens comprised primarily of ventilating exhaust fans, air exhaust ventilation apparatus for removing smoke from cooking for domestic and industrial purposes; downdraft extraction systems for kitchens comprised primarily of ventilating exhaust fans, air exhaust ventilation apparatus for removing smoke from cooking for domestic and industrial purposes; extraction hoods for household kitchens in the nature of range hoods; fans for exhaust extractors in the nature of ventilating exhaust fans; filters for extractor systems, namely, air exhaust ventilating apparatuses; filters for air extractor hoods; extractors for ventilation and air conditioning, namely, air conditioning apparatus, air exhaust ventilation apparatus