Good for cooling air hockey table, receiver temp, server rack, modem, amplifier, refrigerator ,amp , TV , audio entertainment, kitchen , electronics cabinet, wine cellar, biltong box dryer, greenhouse circulation , cat litter box ventailtion, xbox and directv boxes, DIY aquarium cooling , chicken coop, pump house , Indoor smoke extraction and so on Using this product good for plant growing tents. It is used to cause a great deal of air exchange . The ability to control the speed of the fan with the variable speed controller is great ! It allowed you to get the exact air exchange you needed to get large harvest each time you start flushing grow blocks. Will also use these same fans for microgreen growing racks for each shelf Speed controller input: 100V – 240V 50/60Hz
output: 3V – 12V – 2A
Features a multi-speed controller to set the fan’s speed to optimal noise and airflow levels Dual-ball bearings have a lifespan of 50,000 hours and allows the fans to be laid flat or stand upright. 140mm fan ideal for aquariums and refrigeration. Quiet and efficient, it suits various cooling needs like ventilation and cabinet systems 140 x 140 x 25 mm ( 5.51 x 5.51 x 0.98 in. )
Rated Voltage :12V
Airflow: 143 ±10%CFM at full speed
Rated Current: 0.9A
Speed: 3000 RPM
Power: less than 1W at slowest speed ; 6W at full speed