The most common is the carbon exhaust filter.
Exhaust fan and carbon filter.
The carbon exhaust filter is superior at odor removal and is the most versatile option.
Vivosun 4 inch 190 cfm inline fan with speed controller 4 inch carbon filter and 8 feet of ducting for grow tent ventilation 4 5 out of 5 stars 268 114 88 114.
All of these are essential for an effective ventilation system.
Then check out the absolute b.
1 16 of over 1 000 results for carbon filter and exhaust fan 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 4 6 out of 5 stars 3 117.
This includes the inline fan ducting fan speed controller and carbon exhaust filter.
A quick guide on what an exhaust fan and carbon filter is and what setup is right for your indoor grow space.
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 4 1 out of 5 stars 1 011.