20PCS 3cm 30X30X10mm 30mm Dual Ball Blower Cooling Fan 5V DC 0.2A for 3D Printer

20PCS pack of compact 30mm cooling fans (3cm / 30X30X10mm) made for 3D Printer applications. Each DC 30mm Dual Ball Blower is rated 5V and consumes 0.2A. The dual ball-bearing design improves durability and longevity while delivering consistent airflow for part cooling, hotend ducts or electronics cooling. Small footprint and focused airflow make these fans ideal for desktop 3D printer cooling tasks.