Feature●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.●Dual-ball bearings have a lifespan of 50,000 hours and allows the fans to be laid flat or stand upright.The power adapter increases maximum fan speed and enables the fan to be powered through an AC outlet.●Warranty: One-year quality assurance. Please contact us If the product has any quality problems, it will be refunded within 90 days and replaced within one year.●120 x 120 x 25 mm ( 4.72 x 4.72 x 1 in. ) | 140 x 140 x 25 mm ( 5.51 x 5.51 x 0.98 in. ) | Rated Voltage :12V | Speed: 3000 RPM |Description Move air in the hydroponic garden tent. Cools down the top box streamer. Add a fan to the beverage cooler , air circulating makes sure that the whole fridge gets cold. Fan on the electronics bench for cooling things that get hot like a drone VTx while your working on it.it also stands on its side well at low speed and makes quiet cooling. Installed this fan in your home theater rack to keep the processor cool. Can get two fan for cooler the PS4. can set one of the fans on top of the PS4, and the other behind the system. The one in the back is blowing forward towards the system, and the other blowing up to pull the hot air away from the system. Small fan is quiet at low speed. Speed control is easy to use and control. great for fine tuning, and it can control amount of air flow. Use for overheat stereo amps in the hot weather.