[ Refrigerated beverage dispensing units; ] refrigerated display cases; electrically powered cooking systems, namely, convection steamers, combination ovens, connectionless steamers, steam jacketed kettles, electric and gas heated tilted braising pans; installations and apparatus for cooling and chilling, namely, refrigerators, freezers, self contained cooling equipment stands comprised of refrigerators, freezers, electric stovetops and electric grills; electric food warmers in the nature of hot food tables; [ self contained ice cream cabinets; ] electric food warming units for institutional food service in the nature of mobile cafeteria serving and storage stations; refrigerators and parts thereof walk-in refrigerators; reach-in refrigerators; wall type refrigerators; florist refrigerators; cold storage doors; [ defrosters for refrigerators, coolers, freezers and refrigerated display cases; ] refrigerated display racks; refrigerated tables, counters and shelving parts and accessories thereof; [ water filters, namely, mechanically cleaned filters, backwash filters, reverse osmosis filters, and disposable media filters, all for reprocessing of waste water; pressure liquid filter systems comprising filters, filter casings, valves, controls, pressure sensing apparatus, liquid flow valves, bag filter systems for filtering liquids for use in the mining, hydrometallurgy, chemical, petroleum, manufacturing, environmental, paper and pulp, pharmaceutical, food and beverage industries; portable blowers; ] kitchen ventilation systems comprised of exhaust hoods and air volume controllers; heat exchangers for industrial use; electric immersion heaters for heating food and beverages; electric immersion coolers for cooling food and beverages; refrigerated counter tops; refrigeration cooling units; refrigeration store display units. fluid filters, mechanically cleaned filters, backwash filters, vacuum filters, disposable media filters for food service materials, namely, supply water, wash water, [ batter, sugars and coatings for food ]