Air exchangers for cleaning and purifying air; Air filtering installations; Air humidifying apparatus; Air purifiers; Disinfectant dispensers for toilets; Electric air deodorizing apparatus; Electric fans; Hand-held showers; Hand held shower heads; HVAC units; Hydroponics grow box in the nature of a closed environment equipped with lights, exhaust system, hydroponics growing container and odor control system; Portable electric fans; Shower head sprayers; Shower heads; Ventilating exhaust fans