Suction pumps; Aquarium pumps; Counter-current swimming machines for use in swimming pools to enable swimming in place against an adjustable counter-current, featuring pumps, motor, and adjustable current director outlets; Sewage pumps; Water treatment equipment, namely, pumps for use in irrigation systems; Sump pumps; Circulating pumps; Submersible pumps; Wave-making pumps for aquariums; Electric pumps for swimming pools