MARS HYDRO 4 INCH INLINE DUCT FAN AND CARBON FILTER COMBO WITH SPEED CONTROLLER complete-systems Air flow is an essential

Air flow is an essential component in any horticulture configuration

and 108-Inches fully extended

Managing Multiple Rooms

and 480V versions

MARS HYDRO 4 INCH INLINE DUCT FAN AND CARBON FILTER COMBO WITH SPEED CONTROLLER complete-systems Air flow is an essentialWith 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"