Wide ApplicationThese 80mm fans are designed for projects that requires cooling or ventilation; Can be used to ventilate a small space, popular uses include greenhouse, chicken coops, small kiln, arcade cabinet, 3" radon vent pipe and more. Direct Replacementor as a perfect replacement fan for noisy or broken 80 mm 12volt fans in power supply, inverters, rv fridges, car amplifiers, solar battery box, LED heatsinks, RV cabinet, electronic box, etc. Bruhless MotorThis is a brushless dc fan that comes with Hydraulic Bearing runs up to 40,000hrs; The fan can be used as Both Intake or Exhaust fan to pushes a decent amount of air for your electronics and mechanical components Easy to InstallIt is a 2 pin fan with 11.8 inches enough long power cable; Red wire: Positive (+) & Black wire: Negative (-); You can easily exchange the wires if their position is different from your old fan Fan Specs80 x 80 x 25 mm ( 3.15 x 3.15 x 0.98 in