MFH Sub Pump Shaft Drive 2" AlmMasterfinish flexible shaft driven heavy duty pumps are portable and can be used in a variety of applications. Available as standard premium heavy duty pump or heavy duty cast iron model both with stainless steel impeller for improved abrasion resistance. Self priming, choke resistant spindle and oil bath lubrication. Fitted with a quick action flexshaft coupling with a 3 tooth drive dog enabling them to be operated by all standard drive units. Fitted