12V 40mm Ball Bearing Cooling Fan - High Speed, Quiet, Long Lifespan - Perfect for PC Cooling, Electronics, and DIY Projects

This 40mm cooling fan has moderate air flow (5.75 CFM), and is a great add-on for your 3D printers to cool off small printing areas, motors, and electronic circuits.Item SpecificsDimension: 40 x 40 x 10mm (1.57 x 1.57 x 0.39 in)Rated voltage: DC 12 VCurrent: 0.06 ANominal Speed: 6000 RPMAir Flow: 5.75 CFM (9.77 m3/h)Noise: 24 dBAMounting hole diameter: 3.5 mm (0.138 in)