Graco D3B311 Husky 307 Series Air Operated Double Diaphragm Pump, Model 307P-PP01AP4SSPTPTPT. 3/8" BSPT Connections, 7.5 GPM Maximum Flow. Polypropylene Fluid Section, Polypropylene Center Section, Polypropylene Fluid Cover, Polypropylene Air Valve / 316SS Seats / PTFE O-Rings, PTFE Balls, PTFE Diaphragms.
Repair and maintenance parts for the D3B311. Check the parts list below and order genuine GRACO repair parts from PumpCatalog.
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