... ,HEPA,Laminar flow and Fan Filter Unit, Air filter etc.customized design is avail Level Clean Bench KLC series mini-type level clean bench, It ... is used for the partial high clean requirement in workshop ... *600Purification rank100 rank 0.3u, (U.S.A Federal standard)Air flow1200m3/h1800m3/h2300m3/hAverage velocity0.3-0.6m/sFiltration ...