**Free**/Cheep carbon filters.

Discussion in 'Grow Room Design/Setup' started by IDFgivati, Sep 26, 2010.

  1. you can take them from an old air purifier, or at your local tool shop you can get them for about 15 bucks, ask for the kind that go below your microwave. you can pritty much just tape them to w/e you want them to go on;)

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