VD-850  Vertical Air Supply  Flow Clean BenchIt  is widely used in medicine, pharmacy, biological & chemical experiment, electron, precise apparatus, instrument and so on.  Main characters  1. Vertiacl air flow clean bench  2.It is widely used in medicine, pharmacy, biological & chemical experiment, electron, precise apparatus, instrument and so on  3.Contact switch adjusts voltage to keep wind speed in working area in ideal state all the time.      Parameter\ModelVD-850Clean gradeGrade 100(209E U.S. Federal)Number of bacteria≤0.5per utensil.hour(90mm utensil)Noise≤62dBPower supplyAC,220V/50HzEquiblast Speed0.25-0.45m/sDimension of working area(W1×D1×H1)685*475*455mmOverall dimension(W1×D1×H1)840*530*845mmSpecification and number of light      from firefly/ ultraviolet light8W*1/10W*1Specification and number of      high effective filter680*460*38*1Note: Special specification of non-standard type clean bench is also available on demand.