Less than 200 CFM

Less than 200 CFM Learn More
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  1. Can-Fan RS4 HO - 4in - 155 CFM
    Can-Fan RS4 HO - 4in - 155 CFM
    Special Price $54.67 Regular Price $60.74
    Out of stock
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  2. Active Air In-Line Duct Fan
    Active Air In-Line Duct Fan
    As low as $102.78
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As a general rule we recommend 200 CFM worth of airflow per 1000 watts of HID lights at a minimum. Don't know what CFM (cubic feet per minute) inline fan you need to exhaust your HPS or MH light? Read our guide on how to find the right CFM fan for your indoor grow room.