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Multifunctional USB fan: can installed on a plant stand rack or plant shelf, keep your plants cool and circulate the air. Also perfect for receiver DVR playstation TV box computer cabinet cooling.
3 speed adjustable: features a multi-speed controller, you can adjust the fan speed easily, optimal it to suitable airflow levels. Maximum speed is 1900 RPM.
Low noise and dual ball bearing: each fan is engineered to be ultra quiet while delivering high airflow. Dual-ball bearings have a long lifespan.
Multiple protection: have metal grille on both sides, protect your hands and plants when the USB fan is working. Square design allows the fans to be laid flat or stand upright.
Dimensions: 3.62 x 3.62 x 1.77 inch, air flow: 42 CFM single fan, noise: 19 dB. No adapter included. 2 fans connect to one USB cable and work at the same time.
Widely used: can installed on a plant stand rack or plant shelf, keep your plants cool and circulate the air. Also perfect for receiver DVR playstation TV box computer cabinet cooling. Low Noise: Each fan is engineered to be ultra quiet while delivering high airflow. 3 speed adjustable: features a multi-speed controller, you can adjust the fan speed easily, optimal it to suitable airflow levels. Multiple protection: have metal grille on both sides, protect your hands and plants when the USB fan is working. Square design allows the fans to be laid flat or stand upright.