TopoGrow 4" High CFM Carbon Air Filter for Grow Tent Kit and Hydroponic Growing System, 4"

$43.20

TopoGrow 4'' Inline Fan with 4" Carbon Filter Ducting Clamps Combo+Variable Fan Speed Controller + Humidity Monitor + Analog Timer for Hydroponic Grow Tent Ventilation

$143.99

TopoGrow 6" High CFM Inline Fan for Grow Tent Kit and Hydroponic Growing , 6"

$98.28

TopoGrow 6" Inline Fan Carbon Air FilterCombo ( Fan+Filter+Duct+Clips)for Grow Tent Kit and Hydroponic

$178.20

TopoGrow 8" Inline Fan Carbon Air FilterCombo ( Fan+Filter+Duct+Clips)for Grow Tent Kit and Hydroponic

$248.40