13 DRINKING FOUNTAIN ACCESSORIES-NAMELY, DRINKING FOUNTAIN AND WATER COOLER SHUT-OFF VALVES AND BUBBLER VALVES, PRESSURE REGULATOR VALVES, DRAINAGE TRAPS AND STRAINERS,DRAIN LINE CONNECTORS AND ELBOWS, DRINKING GLASS FILLER PIPES AND NOZZLES, FAUCETS, AND WALLMOUNTED FOUNTAIN SINKS