Graco Husky 1050 Air Operated Double Diaphragm Pump, 1" Flange Connection, Aluminum Housing, Aluminum Center, PTFE Ball, Polypropylene Seat, Two-Piece PTFE/EPDM Diaphragm - 647004. GRACO 647004 Husky 1050 AL 1" (25.4 mm) NPT Pump, Standard AL Center Section, PP Seats, PTFE Balls & PTFE Diaphragm.
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