TerraBloom 4 Inch (100 mm) Inline Fan - 188 CFM Exhaust Duct Fan, Built-In Speed Controller, ETL Listed, Pre-Wired 6 FT Grounded Cord - For Use In Grow Tents With Carbon Filters, Fixtures, Attics

VIVOSUN 4 Inch Air Carbon Filter Odor Control with Australia Virgin Charcoal for Inline Fan, Grow Tent Odor Scrubber, Pre-Filter Included, Reversible Flange 4" x 14"

iPower GLDUCT4X8C 4 inch 8 feet Non-Insulated Flex Air Aluminum Foil Ducting Dryer Vent Hose for HVAC Ventilation with 2 Clamps

iPower 4 Inch Air Carbon Filter Indoor Plants Grow Tent Odor Control Scrubber with Australia Activated C for Inline Fan, Reversible Flange, Prefilter Included, Silver

TerraBloom Air Carbon Filter, 4" x 12", Activated Charcoal Scrubber for Inline Duct Fans Up to 200 CFM. for Grow Tent Ventilation Kits, Hydroponics, Odor Removal

AC Infinity Flexible 4-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 25-Feet Long for Heating Cooling Ventilation and Exhaust

TerraBloom 6" Inline Fan - 395 CFM Exhaust Duct Fan, Built-in Speed Controller, ETL Listed, Pre-Wired 6 FT Grounded Cord - for Use in Grow Tents with Carbon Filters, Fixtures, Attics

VIVOSUN Patented 6 Inch Clip on Oscillating Fan Fit for 0.59 to 1 Inch Grow Tent Pole with 2-Speed Control

6in Aluminum Foil Duct Hose Flex Grow Tent Room Ventilation Cooling System 25ft Air Intake Helix Pipe Exhaust Inline Fan Filter CFM Flexible Clothe Dryer Vent Hose with 2 Tension Clamps HAVC Heat Duct