... size:2510--12038 SafetyApproved:CE,UL deliverability:10000pcs/Day Advantage:1) Voltage: 5V, 12V, 24V, 2) Bearing type: Ball ... )AIR FLOW (CFM)PRESSURE (mmH2O)NOISE dB(A)WEIGHT(g)25*25*10DFB251012HB120.131.6130002.857.7630.267DFS251005HS50.221.1130002 ... 131.5550017.284.5836.4229DFS501505HS50.221.1550017.284.5836.4260*60*20DFC602012HB120.172400020.283.6529.0449DFS602012HS120.172400020.283.6529.0470* ...