... .Reliability and Performance Features of vacuum & steam cleaner,steam washing machine,dry & wet steam vacuum cleaner:(1)Non boiler technology is ... are likely to explode if increase the steam pressure. (5)Totally adjustable steam from very wet to very dry for ... NMB-4 vacuum & steam cleaner,steam washing machine,dry & wet steam vacuum cleanerNMB -4 is 220V-240V,steam pressure 6bar,steam & vacuum at the ...