... ramps, 900×2000mm(W×L)/pc, and with inclined rampsVentilation System Inlet fan:1set 7.5Kw centrifugal fan, air capacity is ... : 1set 7.5Kw centrifugal fan, air capacity is 25000m³/hPurification System Primary filter at air inlet, high-efficiency filter (ceiling filter ... , hour meter, differential pressure gauge, emergency stop, failure alarm, temperature control meter