The Little Giant MD-SC series features leakproof, seal-less magnetic drives and are designed for in-line, nonsubmersible use. Volute and impeller are glass-filled polypropylene, and magnet housing is Ryton® for excellent chemical resistance. Ceramic shaft and thrust washers are 99.5% pure alumina for excellent wear and reliable service. Pumping heads are easily rotated, cleaned or serviced with no special tools required. Spindle shaft is supported at both ends to prevent impeller damage during start-up and stop of pump.No motor included.