Graco 647672 Husky 1050 AL 1 in. (25.4 mm) BSPT Pump, Remote AL Center Section, FKM Seats, FKM Balls & FKM Diaphragm Powerease 79cc designed to withstand the rigors Restock your HazMat Quick designed to withstand the rigors of regular use in both professional and DIY environments Unlike some competitor’s aluminum body crankcases – our solid cast iron crankcase will ensure stable crankshaft alignment and will handle more work load under heavy load conditions FKM Balls & FKM Diaphragm (Part Number 647672) The one piece center section eliminates leaks and reduces maintenance on Husky pumps when compared to other diaphragm pumps