Dust collector，according to the structure can be divided into vertical, horizontal and portable vacuum cleaner, the dust scrubber as portable, the working principle of vacuum cleaner, using motor drive the high-speed rotating blades, in the seal housing to produce negative pressure air, absorb dust************************************** Files format contains-solidworks 2017-step-iges-stl-obj-3ds- and other formats************************************** If you like,you can paypal for you to get this models or if you have any questions also you can email to me.**************************************