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labs and scientific testing
TDS measurements are performed using the 4-4-2 conversion factor of 0
This ballast is built to last with a patented design that allows electrical contact to happen only when a seal is achieved
For permanent plumbing: connect directly to a drain line using the gravity drain port for fully hands-free operation
MARS HYDRO 4 INCH INLINE DUCT FAN AND CARBON FILTER COMBO WITH SPEED CONTROLLER ac-dehumidification-humidification labs and scientific testingWith 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"
