60mm x 15mm USB Blower Fan w/ 3 Speeds Control 5V DC Brushless Fans

EASY TO INSTALL: Blower Size: 60mm L x 60mm W x15mm H, Intake Size: 41mm, Outlet Size: 45mm x 15mm, Mounting Hole Pitch: 68mm; Includes mounting screw set. WIDELY USED: 60mm dc blower usb cooling fan, widely used in 3D printers, purifiers, aroma diffuser, speakers,...