Air-operated Diaphragm pump system for Totes. Includes 3/4" ARO diaphragm pump with mounting bracket and nozzle holder, 20' delivery hose, 4' suction hose, automatic nozzle and built-in meter. *Suction Connection is required for this Drum package. Order DEF-37 here (Quick coupler/downtube for 2" buttress threads).