GROW GREENIE

Air diffusers for aquariums; Aerators being machines; Aerating pumps for aquaria; Venturi nozzles being structural parts of aerators being machines; Venturi nozzles being structural parts of hot tub aerators in the nature of air blowers; Venturi nozzles being air suction parts for water pumps used in aquariums; Venturi nozzles being structural parts for water pumps used in aquaculture