water purifying apparatus for use in scientific research and laboratories; water filtering apparatus for use in scientific research and laboratories; reverse osmosis water purifying apparatus; ultraviolet water purifying apparatus; deionization water purifying apparatus; water supply filtering systems comprised of reverse osmosis membranes, ion exchange media, ultraviolet ray lamps, sub-micron filters, and ultrafilters; filter cartridges for water purification apparatus and water filtration apparatus; replacement parts for water purifying apparatus, namely, ultraviolet ray lamps, reverse osmosis membranes, ion exchange media, filter cartridges, water pumps, water valves, water sensors, water pipes; water dispensers, and water storage tanks
Environmental Control Apparatus