Wilden air operated double diaphragm pump. Bolted design, polypropylene body, with polypropylene air chambers and center section. Teflon diaphragms and valve balls. 1" flanged inlet and discharge. Proflo air distribution system, 1/4" air inlet, 0.057 gallon per stroke capacity (46 gpm max flow rate). Includes muffler. 02-10568
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