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Bien-Air Black PearlTriple port spray provides more than adequate cooling, while the ceramic bearing turbine in the Black Pearl provides improved longevity with less maintenance. |
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Bien-Air BoraCeramic ball bearing lubrication free turbine allows for smooth, quiet operation at maximum speeds with fewer trips to the service technician. |
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Bien-Air OptimaBrushless electric motors have constant torque characteristics which provide optimum cutting at all speeds, not losing as much power as air driven handpieces when pressure is applied. |