66605J-344 1/2" Nitrile Aodd Air Operated Diaphragm Pumps/ Pp Pneumat Oil Pump ,Durable Construction

Ratio: 1:1 Flow gal (L)/ min :13 (49.2) ball valve 10 (37.9) duckbill valves Gallons/L per cycle :0.04 (0.15) Ball valve intake (zero grain inside) : 1/4 (F) Fluid inlet: 1/2 (F)