... 3, Suction width:850mm 4,Efficiency:2100sqm Industrial floor cleaning machine,C5101,24V, battery power2,Cleaning width:510mm3,Suction width:850mm4,Efficiency:2100sqmFeatures ... the tank;3,Ametek suction motor from Italy, more efficient and endurable;4,Steel gear drives the brush, much more powerful ... and reliable;5,Side-open tank design, easy to install ...