Air-conditioning apparatus and installations; Safety accessories for gas pipes, namely, flashback arrestors and reverse flow check valves; Air filtering units; Air conditioning filters; Temperature controlled, refrigerated or heated mobile units for the storage and delivery of food products; Refrigerator shelving, drawers, bins and trays; Plumbing fittings, namely, valves; Heating elements; Water treatment equipment, namely, water filtration units; Valves being parts of clothes dryers