MARS HYDRO 4 INCH INLINE DUCT FAN AND CARBON FILTER COMBO WITH SPEED CONTROLLER ac-dehumidification-humidification Be sure to review item

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Opening the air venting screen or pairing the floor duct port with an intake fan will allow fresh air to enter the grow tent

Water Soluble Bloom is complete with secondary and micro nutrients

For permanent plumbing: connect directly to a drain line using the gravity drain port for fully hands-free operation

One machine will cover up to 1 acre

MARS HYDRO 4 INCH INLINE DUCT FAN AND CARBON FILTER COMBO WITH SPEED CONTROLLER ac-dehumidification-humidification Be sure to review itemWith a 4'' inline fan rated for 205CFM, an activated carbon filter with Australian charcoal, and a knob controller applied to allow easy switching and adjustment of the fan speed, the Mars Hydro 4 inch inline duct fan and carbon filter combo offers you everything you need to set up the ventilation in a grow tent. A good ventilation setup for grow tents measuring up to 3x3 feet. Package Includes: 4" Inline Duct Fan with a knob Speed Controller, 4"