GDSTIME 2 Pack 40mm Blower Fan 12V 40x40x10mm 4010 DC Brushless Cooling Replacement Fans for 3D Printer

3D Printer Fan Upgrade / Replacement: Mini 40 mm Blower Cooling fan for 3D printer hot ends, extruder, etc.; Whether you want to replace a broken fan, improve overhang and bridging distances, or improve the airflow towards your parts, this 4010 blower fan upgrade is something that can get you there. Well Build: 40 mm small turbo blower fan is constructed of PBT material; Built-in high end pure copper coil Hydraulic Bearings, this 3D printer part cooling fan can run continuously for days at high speeds without hassle or concern; Lifespan: 40,000 hours. 2Pin Connector with Long Wire: 1.2 m/3.94 ft cable length 2-wire terminated with XH2.54-2Pin connector for power supply; make sure positive (+) and negative (-) poles are in right place and match up to your 3d printer motherboard (Red wire : positve, Black: negative). 4010 Blower Fan 12V Specs: Size: 40 x 40 x 10 mm (1.57 x 1.57 x 0.39 inches) | Hole to Hole Distance: 35 mm (1.38 inches) | Rated Voltage: 12V | Rated Current: 0.1 Amp | Power: 1 W | Speed: 7000 RPM | Noise: 30.5 dBA | Airflow: 2.53 CFM | Static Pressure: 0.371 In H2O. Easy to Use: Includes 2Pcs 40x40x10mm 12V DC Blower Fans and Mounting Screw Sets; Highly speed with low power consumption for durable use; Startup Voltage: 3V; Opearating Voltage: 7 to 13.5V (If over 13.5v, it also can wirk, but will affect the fan life)