Grilles, registers and air diffusers for residential and commercial buildings, namely, sidewall and ceiling heating and cooling registers and grilles in the nature of ventilation accessories, floor diffusers and floor grilles in the nature of ventilation accessories, baseboard grilles in the nature of ventilation accessories, single and double deflection grilles in the nature of air ventilation accessories, return air grilles in the nature of ventilation accessories, air supply grilles and square air diffusers in the nature of ventilation accessories; heating, ventilating and air conditioner access panels and grille access doors; kitchen plumbing products, namely, basket strainers and sink drains; and bathroom plumbing products, namely, tub drains and shower drains