... easy to be rusty 2:Capacity;15L 3:Function:wet and dry Handy vacuum cleaner:1:Round stainless steel tank ,solid and durable,not ... tank ,acidproof and antialkalis ,and collision resisitance .3:Slient motor ,with powerfulsuction and long runtime.4:Especially waterproof design ,and flexible ... ,hotels,small-scale factories and other kinds of cleaning fields. Dry and wet vacuum cleaner with plastic tank