FinOti
8% off
4" Inline Duct Fan Pre-Wired Exhaust Fan,Ventilation Fan Hydroponic Inline Exhaust Industrial Vent Silent Fan Extractor Duct for Grow Tents/Hydroponics with Speed Controller
iPower
iPower 4 Inch 195 CFM Inline Duct Exhaust Fan Air Vent Booster Ventiliation Blower for Grow Tent, Attic, HVAC, Basements or Kitchens, Low Noise, Black
TTiiLoe
2 Inch 12V Inline Duct Fan for Grow Tent, 50mm 6W Air Vent Fan Booster, Small Mixing Flow Pipe Exhaust Fans, 36 m³/h Mini Blower for Pet House, Attic, Wardrobe, Shoe Cabinet (Speed Controller)
Manrose
100mm In-line Extractor Fan Vent Back Draught Shutter With One Spring And Two