WIDELY USED: 40mm brushless dc blower fan; Perfect for 3D printers, humidifier, purifiers, projectors, small PC and other small appliances series repair replacement 24 VOLT BLOWER: Each small turbo fan is constructed of PBT material, Operating Voltage Range: 14V to 26V. (overtake to 26V, it can also work. but not safe, and seriously affects lifespan of fan.) 2PIN CONNECTOR: 21cm cable length 2-wire terminated with XH2.54-2Pin connector for power supply; (Red wire : positve, Black: negative) EASY TO INSTALL: Blower Size: 40mm L x 40mm W x20mm H, Air Intake Size: 27mm, Air Outlet Size: 30x20mm, Mounting Hole Pitch: 35mm; Operating Temperature: 14 to 175 degrees Fahrenheit 4020 BLOWER: Rated Voltage: 24V DC
Current: 0.06Amp
Power: 1.5 Watt
Airflow: 3.67 CFM
Static Pressure: 0.46 In H2O

Noise Level: 32.5 dBA
Fan Speed: 6500 RPM Product Description
The small dc blower fan is constructed of PBT plastic which meets UL 94 flammability standards.
These mini 40 mm brushless dc blower cooling fan often used in 3D printers, spot cooling heat sinks, it also can cool down humidifier, purifiers, projectors, small PC inside closet and more; or other small appliances series repair replacement, These fans are also used to cool down heating elements and so on faster.

Specifications:
Fan Size: 40x40x20 mm/1.57x1.57x0.79 in
Air Intake Size: 27 mm/1.06 in
Air Outlet Size: 30x20 mm/1.18x0.79 in
Hole Pitch: 35 mm/1.38 in
Connector: XH2.54-2Pin
Cable Length: 210 mm/8.27 in
Life Span: 50,000 hours
Operating Voltage: 14V to 26V
Operating Temperature: 14℉ to 175 ℉

Bearings: Dual Ball
Rated Voltage: 24V DC
Rated Current: 0.06 Amp
Power: 1.5 Watt
Fan Speed: 6500 RPM ±10%
Airflow: 3.67 CFM
Air Pressure: 0.46 In H₂O
Noise Level: 32.5 dBA
Net Weight: 22g / 0.78oz

Package List:
2x 4020 blower
Mounting screws and nuts