It depends greatly on the way the fan is used and installed. The bottom line is if the air it is removing is hot than the air outside that will replace it, it i
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6 cylinder diameter: 5.9 (150mm), Panel size: 7.5 x 7.5 (190*190mm), Installation hole distance: 6.4 x 6.4 (162x162mm), Height: 5.3 (135mm),
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