Accessories for fireplaces, namely, ventilation hoods for fireplaces for use in ventilation and deflecting heat from the top of a fireplace; Air filters for heating and cooling registers; Exhaust hoods for kitchens; Filters for drinking water; Filters for water filtering apparatus; Rooftop grease containment system comprising an exhaust fan, grease deflector, and filter for trapping grease vented from rooftop exhaust fans for cooking areas within the building; Turbine ventilators; Ventilating exhaust fans; Ventilating exhaust fans for household use, gymnasiums, pet houses, etc.; Ventilating fans for household use, gymnasiums, etc.; Ventilating louvers; Ventilation hoods for stoves; Water control valves for faucets; Water faucet spout; Water filtration and purification units and replacement cartridges and filters therefor