Hydrofarm ACC8 Active Air Stainless Steel, 8" (Pack of 2) Duct Clamps, 8 inch

AC Infinity Flexible 8-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 25-Feet Long for Heating Cooling Ventilation and Exhaust

Ideal-Air 736211 ducting, 8 to 6", Brown/A

AC Infinity CLOUDLINE T8, Quiet 8" Inline Duct Fan with Temperature Humidity Controller - Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics

Cosmo QS75 30-in Under-Cabinet Range Hood 900-CFM | Ducted / Ductless Convertible Duct , Wireless Kitchen Stove Vent with LED Light , 3 Speed Exhaust , Fan Timer, Permanent Filter ( Stainless Steel )

Speedi-Products FDSC-08 8-Inch Diameter Flex and Sheet Metal Duct Splice Connector Collar

AC Infinity CLOUDLINE S8, Quiet 8" Inline Duct Fan with Speed Controller - Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics

VIVOSUN 8 Inch 25 Feet Non-Insulated Flex Air Aluminum Ducting for HVAC Ventilation w/Two 8 Inch Stainless Steel Clamps

Ideal-Air Duct Collar 8 Inch - Air Tight HVAC Ducting

Ideal-Air 750110 Elbow, 8", Brown/A

TerraBloom ECMF-200, Quiet 8" Inline Duct Fan with 0-100% Variable Speed Controller, Air Tight Metal Casing, Energy Efficient EC Motor. Heating, Cooling Booster and Exhaust Blower for Big Grow Tents