BARREL

Water softening apparatus and installations, fixed or movable; water filtering apparatus, fixed or movable; water purifying, apparatus and installations, fixed or movable; water purification installations for water desalination, fixed or movable; water filtering apparatus for water treatment using a membrane filtration process, fixed of movable; water filtering apparatus for water processing using a reverse-osmosis process, fixed or movable; water filters for treating and filtering liquids, fixed or movable; water filter replacement cartridges for treating and filtering liquids; water filters; water treatment filters, namely, filters for drinking water