10 medical equipment, namely reverse osmosis machines used for hemodialysis comprising pumps, gauges, flow switches, control boxes, suction and discharge hoses, filter membranes and needle valves; bicarbonate/acid concentrate distribution systems for hemodialysis comprising regulators, storage tanks, pumps, flow switches, control boxes, PVC pipe, fittings and ball valves, and suction and discharge hoses; ultra water filtration systems for hemodialysis comprising filter housings, filter membranes, gauges, needle valves, flow switches and PVC pipe, fittings and ball valves; deionization tanks; and cartridge water filtration systems for hemodialysis comprising cartridge housings, filter elements, gauges, and PVC pipe, fittings and ball valves, all for medical, laboratory and industrial use