Spider Farmer®4 Inch Inline Fan Combo with Speed Controller Fans & Filter Kits Input Voltage: AC100-277V

Input Voltage: AC100-277V

Advanced PWM-controlled EC motor

using one sensor at the bottom of the nutrient tank and one at the top to automate reservoir filling

extra thick plastic

dependable aeration solution designed for applications requiring continuous

Spider Farmer®4 Inch Inline Fan Combo with Speed Controller Fans & Filter Kits Input Voltage: AC100-277VPOWERFUL INLINE FAN: Made of the heavy duty plastic housing for superior durability, the hosing is dusting proof and waterproof, oblique blades add airflow by 40%, single phase asynchronous motor that delivers a powerful air movement, it only draws 30 watts, but puts out 205 CFM; very low noise level, only produces 28DB, this fan is silent; comes with a variable fan speed controller that you can change speed easily. The fan is ETL, CE certificated,