Aygrochy 6 inch Quiet Inline Duct Fan with Variable Speed Controller - Ventilation Exhaust Fan Using for Heating Cooling Booster, Grow Tents, Hydroponics,Home use Ventilation and Exhaust Blower.

Mars Hydro 4"|6" Inline Duct Fan 4"|6" Ventilation Exhaust Fan with Thermostat Controller for Grow

Variispeed, Fan Speed Controller

Swiftair Temperature Hydroponics Fan Speed Controllers Silent Climate up to 950w (single socket-300w Max)

Ecotechnics Evolution Digital Fan Controller

SMSCOM SPC 7amp Twin Grow Room Fan Controller

AC Infinity CLOUDLINE T4, Quiet 4” Inline Duct Fan with Temperature Humidity Controller, Bluetooth App - Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics

IV:XX Time To Grow Fan Speed Controller For Fans up to 300W /Dimmer/Climate Control/Intake/Outtake/Inlet/Outlet/Extractor Fan/Floor Fan/Wall Fan/Oscillating Fan/Pedestal Fan

Temperature & Speed CONTROL - 4" inch - 100 mm Low Noise Inline Fan with Thermostat, ideal for Hydroponic rooms/ Grow Tent Kits or kitchen exhaust, bathroom extractor, Head and Humidity Regulation

Spider Farmer Air Filtration Kit 4 Inch 200 CFM Inline Duct Fan with Speed Controller Carbon Filter 32 Feet Ducting Combo Set Ventilation System for Grow Tent Grow Room Indoor Plants

8 Amp Hydroponic Grow Room Twin Extractor Fan Speed & Temperature Environment Controller with 5 m Probe