Hydra-Cell D10 PumpHydra Cell sealless design positive displacement pumps provide smooth, low pulse operation. Extensive materials of construction ideal for chemical compatibility and abrasive duty. No matter what the application, the Hydra Cell diaphragm pump is built tough to get the job done without the constant worry about pump failure and costly repairs. Pumps most exotic and abrasive solutions at higher temperatures No cups, no packings, no sleeves, no greasings