... Noise 70dba 72dba Description:1. XY brand MS industrial vacuum suction machine has characteristics of beautiful,light,economical ,dirable, ... capabilities,with a drainage pipe to facilitate the waste water. 3.Accessories: vacuum cleaner hoses( diameter 40mm, 2.5m length), ... 40mm vacuum cleaner pipe,round brush vacuum cleaners , Pa vacuum nozzle,dust lane , water lane,dust ...