ITEM NAME:5015 24V Cooling Turbo Fan Brushless Extruder DC Cooler Blower 50x50x15mm Fan Description: High quality 3D printer accessories, blower. Environmental protection, safe, harmless. High quality raw materials, fine workmanship. Easily installed and exhaust the hot air from inside the case. Increase air flow in your system. Specification: Air inlet size: 31mm Outlet size: 20*15mm Rated voltage: DC 24V Rated current: 0.18A Revolution: 7000Â ±10%RPM Bearing: sleeve bearing Noise: 25dBA Color:Black Size: 50*50*15mm Package Includes: 1x Cooling Fan for 3D Printer Note: Please check your item model brfore purchasing to make sure it fits perfectly. Please.High quality 3D printer accessories, blower. 1x Cooling Fan for 3D Printer. The item's color may be slightly different from the pictures due to the light and screen setting difference. SKU: ALU0001321063005081.