ITEM NAME:DC 12V 50mm Cooling Fan Blow Radial Hotend \ Extruder S3C7 For RepRap Print A3D1 Description&Preview.1 X Cooling Fan. Bearing is high precision, long life and low noise. Speed: 4500, 6500 (R/min). You can follow below process to chontact us. Made of high quality PBT+30% glass line +VO. Structure: double ball bearing.
