MARS HYDRO 4 INCH INLINE DUCT FAN AND CARBON FILTER COMBO WITH SPEED CONTROLLER ac-dehumidification-humidification For permanent plumbing: connect directly

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

labs and scientific testing

Be sure to review item numbers and descriptions carefully before ordering

Removable front panel makes controller easy to wire into your power system

TDS measurements are performed using the 4-4-2 conversion factor of 0

MARS HYDRO 4 INCH INLINE DUCT FAN AND CARBON FILTER COMBO WITH SPEED CONTROLLER ac-dehumidification-humidification For permanent plumbing: connect directlyWith 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"