Accessories for fireplaces, namely, air circulation kits consisting primarily of metal ducts and metal adaptors used to increase the amount of heat recovered from the fireplace using a blower or natural convection; Accessories for fireplaces, namely, ventilation hoods for fireplaces for use in ventilation and deflecting heat from the top of a fireplace; Acetylene burners; Acetylene flares for lighting; Acetylene generators; Adsorption apparatus for generating gas; Adsorption apparatus for generating hydrogen; Adsorption apparatus for generating nitrogen; Adsorption apparatus for generating oxygen; Aerators for faucets; Aeroponic grow cabinet in the nature of a closed environment with lights, exhaust system, aeroponic misting chamber and automated control system; Agricultural irrigation units; Air cleaning apparatus; Air cleaning units; Air cleaning units containing an air filter, ultraviolet lights and a photocatalytic filter; Electric cup heaters; Electric space cooling apparatus for household purposes; Electric toasters for household purposes; Fans for air-conditioning apparatus; Handheld showers