Spider Farmer Inline Duct Fan with Speed Controller - 100mm (4 Inch) 3 pack Choose the desired output voltage

Choose the desired output voltage (12V-24V) to match the requirements of your pump

Close immediately after use

protecting plants from external conditions

Particle Diameter: ≤5µm

equipped with extended features

Spider Farmer Inline Duct Fan with Speed Controller - 100mm (4 Inch) 3 pack Choose the desired output voltageThe Spider Farmer 100mm (4 inch) inline duct fan moves air through ducting to improve ventilation and air circulation in a grow tent or grow room. It runs at 205CFM and ships with a manual speed controller, so you can dial airflow up or down to suit your setup. The 2025 version adds an RJ12 port, letting the fan work with Spider Farmer GGS controllers and power strip kits down the track (GGS controller not included). Why growers choose this fan