iPower 4 Inch 190 CFM Inline Fan with 4" Carbon Filter 8 Feet Ducting Combo for Grow Tent Ventilation, Silver
Reasons to buy
- Ventilation combo removes heat and eliminate the undesirable ill-smelling odors
- Permanently lubricated bearing requires zero maintenance
- Helps bring fresh air and remove heat in the grow room
Drawback
- Fan may make loud vibration