8"Inline Duct Fan with digital touch Speed Controller, Pure Copper EC motor, energy-saving and silent Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics

4"Inline Duct Fan with WIFI smart controller, Pure Copper EC motor, energy-saving and silent Ventilation Exhaust Fan for Grow Tents, Hydroponics,A Temperature Sensor and a Humidity Sensor are Included

6"Inline Duct Fan with digital touch Speed Controller, Pure Copper EC motor, energy-saving and silent Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics

4"Inline Duct Fan with digital touch Speed Controller, Pure Copper EC motor, energy-saving and silent Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics

8"Inline Duct Fan with WIFI smart controller, Pure Copper EC motor, energy-saving and silent Ventilation Exhaust Fan for Grow Tents, Hydroponics,A Temperature Sensor and a Humidity Sensor are Included

6"Inline Duct Fan with WIFI smart controller, Pure Copper EC motor, energy-saving and silent Ventilation Exhaust Fan for Grow Tents, Hydroponics,A Temperature Sensor and a Humidity Sensor are Included

12" 30W 750CFM Shutter Exhaust Fan,Low Noise 64dB,Pure Copper EC motor,Voltage 12V,10-speed PWM speed regulation,Wall Mount Ventilation and Cooling for Sheds, Attics, Workshops, and Greenhouses

10" 15W 400CFM Shutter Exhaust Fan,Low Noise 58dB,Pure Copper EC motor,Voltage 12V,10-speed PWM speed regulation,Wall Mount Ventilation and Cooling for Sheds, Attics, Workshops, and Greenhouses

12" 30W 750CFM Shutter Exhaust Fan,Low Noise 64dB,Pure Copper EC motor,Voltage 12V,10-speed PWM speed regulation,Wall Mount Ventilation and Cooling for Sheds, Attics, Workshops, and Greenhouses