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  1. H

    Ventilation: How many CFM do I need?

    I was told a formula that 2 60 cfm fans (1 for intake and 1 for exhaust) would be enough to vent my stand up freezer with a 250w hps is this accurate??
  2. H

    whats goin down

    jus joined the site thought id holler starting a stealth freezer box any suggestions or tips would be greatly appreciated :cool:
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