80x80x25MM 12VDC 2 wire without connector Cooling Fan (MP1053). This sleeved bearing cooling fans have operating voltage 10.8vdc-13.2vdc, 3000RPM, 32.37CFM, 27.85dBA, 60.9g weight, 0.20A current and center to center screw holes are 71.5mm. These fans can be added in many locations to add better cooling and air flow so your games will last longer. These are used on many arcade, pinball games, power supplies, computers, monitor chassis for cooling flybacks, components, cabinets and many other uses. Some consider these 3″x3″x1″ and we have used them in computer grade power supplies and the ones we installed them in were an exact fit. SIZE: 80x80x25mm (3.15″x3.15″x0.98″) CONSTRUCTION: Glass fiber reinforced plastic, Impeller and housing PTB are UL94V-0 rating OPERATING TEMPERATURE: -10ºC~+70ºC STORAGE TEMPERATURE: -30ºC~+75ºC INSULATION RESISTANCE: 10meg Ohm min,at 500 VDC (between frame and terminal) DIELECTRIC STRENGTH: 5mA max, at 500 VAC 60Hz one minute (between frame and terminal). We also stock the metal fan guards and the plastic filter covers with filters on our site which are part numbers MP1054 and MP1047.