Features ALLOY MATERIAL: Made with alloy material, this cross flow cooler is built to last and keeps your environment cool for the long term. HIGH PERFORMANCE: This fan has a superior balance and stability, ensuring stable performance and a comfortable environment. UNIVERSAL USE: This crossflow cooling fan is compatible with for Mitsubishi FB 9B 330 and QF 330 elevators. BARREL IMPELLER: This cross flow cooling fan features a longer barrel shaped impeller for efficient air circulation and quieter performance. POWERFUL MOTOR: With a rated output of 10W and 0.2A current, this fan has a rated speed of 1250r per minute and can effectively cool the environment. Specification: Item Type: Cross Flow Cooling Fan Material: Alloy Rated Voltage: 220VAC 50Hz Input Power: 22W Air Volume: 4.7+0.5m³ Per Minute Noise: ≤47dB (A) Motor: Rated Output 10W, Current 0.2A, Rated Speed 1250RPM Per Minute Package List: 1 x Cross Flow Cooling Fan Package List 1 x Cross Flow Cooling Fan