Air-conditioning, air cooling and ventilation apparatus and instruments; Air conditioners for vehicles; Bath installations; Desk lamps; Discharge lamps and their fittings; Evaporators for air conditioners; Filters for air conditioning; Germicidal lamps for purifying air; Hand held shower heads; Portable electric heaters; Refrigerating appliances and installations; Sanitary installations in the nature of steam rooms; Shower mixing valves; Strainers for plumbing drains; Valves for air conditioners