Air purifiers; Extractor hoods for kitchens; Portable electric warm air dryer; Pressure regulators for sanitary installations; Refrigeration equipment, namely, food and beverage chilling units; Sewage treatment plants; Sinks; Water filtering devices, namely, water purification installations for waste water and sewage consisting of curtains and textile fabrics; Water softening apparatus and installations; Water treatment unit for aerating and circulating water
Environmental Control Apparatus