Many fan size available: 80?0?5/38mm, 92?2?5mm, 120?20?5/38mm, 135?35?8mm, 110?10?5mm, 150?50?1mm, 150?70?2mm, 180?80?0mm, 200?00?0mm, 150?72?0mm, 150?60?0mm, 200?10?1m Specifications: 1) Model:TA12025 2) Dimension(mm):120?20?5mm 3) Voltage:110V,220V 4) Current : 0.10A 5) Power:18W 6) Speed:1800RPM 7) AirFlow:49CFM 8) Pressure:0.14 9) Noise:38db 10)Weight:320g