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Mars Hydro 4 Inch Inline Duct Fan and Carbon Filter Combo With Speed Controller

$199.99
Enjoy peak ventilation experience with Mars Hydro Inline Fan & Carbon Filter Combo   Package Include: 4"inline duct fan with speed controller, 4" carbon filter, 33ft length flex ducting,3 Duct Clamps   Only the Canadian version is different in color and has the same devices and functions

Mars Hydro 4 Inch Inline Duct Fan And Carbon Filter Combo With Thermostat Controller

$269.99
Refreshing Your Grow Room: Mars Hydro inline fan and filter kits are designed to quietly ventilate indoor grow rooms/tents, to transfer heating/cooling air in and out, and eliminate odors.

Mars Hydro 6 Inch Inline Duct Fan and Carbon Filter Combo With Speed Controller

$249.99
Enjoy peak ventilation experience with Mars Hydro Inline Fan & Carbon Filter Combo   Package Include: 6"inline duct fan with speed controller, 6" carbon filter, 33ft length flex ducting,3 Duct Clamps   Only the Canadian version is different in color and has the same devices and functions

Mars Hydro 6 Inch Inline Fan And Carbon Filter Combo With Thermostat Controller(150mm)

$319.99
Refreshing Your Grow Room: Mars Hydro inline fan and filter kits are designed to quietly ventilate indoor grow rooms/tents, to shift heating/cooling air, and eliminate odors.