BOTTLED WATER COOLERS; DRINKING WATER DISPENSERS HAVING ELECTRICALLY-ACTUATED HEATING, REFRIGERATION, AND/OR CARBONATION APPARATUS; DRINKING FOUNTAINS AND PRESSURIZED WATER COOLERS, AND PARTS AND ACCESSORIES THEREOF; POINT-OF-USE WATER-DISPENSING, FILTRATION, AND REVERSE-OSMOSIS UNITS, FOR PRODUCING POTABLE WATER FOR DOMESTIC USE; AND, PARTS AND ACCESSORIES FOR THE AFORESAID GOODS; NAMELY, EXTERIOR CABINETS, DRIP-RECEPTORS, AND FRONT, TOP, BASE AND SIDE REPLACEMENT PANELS FOR BOTTLED WATER COOLERS AND DRINKING WATER DISPENSERS; DRINKING FOUNTAIN AND WATER COOLER SHUT-OFF, BUBBLER, AND PRESSURE REGULATOR VALVES; DRINKING FOUNTAIN AND PRESSURIZED WATER COOLER DRAINAGE TRAPS, PIPE LINE STRAINERS, DRAIN LINE CONNECTORS AND ELBOWS, AND DRINKING CUP FILLER PIPES AND NOZZLES; FAUCETS FOR WATER COOLERS, DRINKING FOUNTAINS, AND DRINKING WATER DISPENSERS; AND WALL-MOUNTED FOUNTAIN SINKS; REFRIGERATED BEVERAGE DISPENSERS; MAINTENANCE KITS FOR WATER COOLERS AND BOTTLE-TYPE DRINKING WATER DISPENSERS, COMPRISED OF - REPLACEMENT RESERVOIRS FOR WATER COOLERS AND BOTTLE-TYPE DRINKING WATER DISPENSERS, CHLORINE DIOXIDE-RELEASING POWDERS FOR CLEANING PLASTIC COMPONENTS OF WATER COOLERS AND BOTTLE-TYPE DRINKING WATER DISPENSERS, COMBINATION BOTTLE-SEALING AND AIR-FILTERING UNITS FORMING INTEGRAL COMPONENTS OF WATER COOLERS AND BOTTLE-TYPE DRINKING WATER DISPENSERS; AND FAUCETS, NOZZLES, AND INTERNAL BARRIERS FOR WATER COOLERS AND BOTTLE-TYPE DRINKING WATER DISPENSERS