4" Ventilation Kits and Fans

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  Original price $110.49 - Original price $110.49

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  Current price $110.49

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  Mars Hydro 4" Inline Duct Fan and Carbon Filter Combo w/ Speed Controller

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  With a 4'' inline fan rated for 205CFM, an activated carbon filter with Australian charcoal, and a knob controller applied to allow easy switching ...

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  Original price $110.49 - Original price $110.49

  Original price

  $110.49

  $110.49 - $110.49

  Current price $110.49

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  Original price $169.99

  Original price $169.99 - Original price $169.99

  Original price $169.99

  Current price $152.99

  $152.99 - $152.99

  Current price $152.99

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  Mars Hydro 4-Inch iFresh Inline Duct Fan Kit

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  2025 Mars Hydro 4-Inch iFresh Inline Duct Fan Kit The 2025 Mars Hydro 4" iFresh Inline Duct Fan delivers 205CFM airflow capacity, featuring an expa...

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  Original price $169.99

  Original price $169.99 - Original price $169.99

  Original price $169.99

  Current price $152.99

  $152.99 - $152.99

  Current price $152.99

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