VigorQ5 Pcs 7.8 inch/200mm Stainless Hoop Steel Hose Clips Duct Clamps Adjustable Worm Drive Hose Clamp For Inline Duct Fan Hydroponic Duct Hoop

5 Pcs 7.8 inch/200mm Stainless Hoop Steel Hose Clips Duct Clamps Adjustable Worm Drive Hose Clamp for Inline Duct Fan Hydroponic Duct Hoop

Kair Ducting Reducer 200mm to 150mm - 8 to 6 inch Duct Pipe Reduction Connector for Extract Fans and Ventilation Units

Aygrochy Quiet 8” Inline Duct Fan with 0-100% Variable Speed Controller - Ventilation Exhaust Fan Using for Heating Cooling Booster, Grow Tents, Hydroponics,Home use Ventilation and Exhaust Blower.