... 2000W 2.Noise:70dba 3.Three-phase industrial vacuum bypass pump 4.wet & dry industrial floor cleaner VC220 Technical specifications: Model MS220 ... 89kg Noise 70dba 72dba Description:1. XY brand MS industrial vacuum suction machine has characteristics of beautiful,light,economical ... ,dirable,etc. 2.Three-phase industrial vacuum bypass pump,low noise,long service life, two ...