Replacement for 3D Printer: The 40mm x 20mm fan 24v can be used to replace a broken hotend cooling fan for 3d printer, fit for Ender 3 / Ender 3 Max Neo / Ender 3 Pro / Ender 3 v2 / Ender 5 pro, etc
Compact Lightweight: Mini 4020 fan ideal for 1U applications or replacing fans in network and storage equipment (routers, switches, NAS etc.) or other devices such as DVRs, air purifier, control board, stepper drivers; or any DIY cooling and narrow place
Long-lasting Dual Ball Bearings: This is a dc brushless 40x40x20 mm fan that comes with dual ball bearings that offers high performance, longer lifespan up to 50,000 hours allows the fans to be mounted flat or upright
4020 Fan 24v Specs: Size: 40 x 40 x 20 mm (1.57 x 1.57 x 0.79 inches) | Hole to Hole Distance: 32 mm (1.26 inches) | Rated Voltage: 24V | Rated Current: 0.05 A | Power: 1 W | Speed: 7000 RPM | Noise: 29 dBA | Airflow: 7.96 CFM | Static Pressure: 0.24 In H2O
What You Get: Includes 2 Pack DC 24 volts 2-pin 40x40x20mm brushless cooling fans and 8 pieces screws and nuts for easy mounting; The lightweight compact design won't take up much space, so you can keep your area neat and tidy