4510 DC 5V PWM Controlled Hotend Blower Fan for Bambu H2D 3D Printer Dual Ball Bearing 4.2CFM 8500RPM Replacement

### Standard 4510 DC 5V Specification 45×45×10mm blower fan with DC 5V rated voltage, 0.55A current, conforming to the original printer’s parameters. ### High Airflow & PWM Temperature Control Delivers 4.2CFM airflow at 8500±10% RPM with PWM control, maintaining stable printing conditions even during long print runs. ### Low Noise & Dual Ball Bearing Dual ball bearing design reduces friction, balancing high airflow with low noise for quiet and reliable operation. ### Wide Operating Temperature Range Works reliably between -10℃ to 80℃, suitable for various printing environments and continuous use. ### Plug-and-Play Installation Comes with a 4Pin connector, no modification needed for direct connection to the printer’s mainboard.