This  machine  adoption  latest  the  original  package  enter  can  the  water wash type dust filter the  net  meets  the  environmental  protection  bureau request  completely,the noise bottom,low in person the  mark  pack  75 decibel  the  following,the  vacuum  force  is  strong,each  wind  velocity  can amount  to   11  meters,consuming  to  give  or  get  an  electric  shock  the quantity  low,the  spot  complete  need  not  add  central  gather  the  dust  to adjust    the     equipments,or    add    the    vacuum     cleaner,reducing    a considerable  electricity  charges  for  you  monthly,completely  match  the economy  investment  pertormance.