Brushless DC Blower Fan, DIY replacement extruder hotend parts for Prusai3 MK3 MK3S MK3S+ Size: About 50x50x15mm/ 1.9x1.9x0.59 inch; 40x40x10mm/ 1.7x1.7x0.39 inch; Cable Length: about 750mm/ 29.5 inch, not for Prussa MK4 or XL