Agricultural irrigation units; Dripper irrigation systems, comprised of valves, filters and regulators; Electrostatic water treatment apparatus for use in irrigation; Fitted covers for irrigation sprinkler heads; Flushometer valves; Heating and cooling mats for pets, not for veterinary purposes; Irrigation solution warmers; Irrigation spray nozzles; Irrigation sprinklers; Lawn sprinkler systems comprising pumps, valves and filters; LED luminaires; Manually-operated plumbing valves; Plumbing f...