[Refurbished] TerraBloom 4" EC Inline Duct Fan with Variable Speed Controller, ECMF-100, 141 CFM, 21W 4" x 16" carbon filter COMPACT: Only 12

COMPACT: Only 12

Our Carbon Filter combined with a proper fan will eliminate the odors in your flower room or grow tent

4" in diameter

Under the White PVC layer our ducting is built with 2 layers of Aluminum Foil With a layer of PET and Steel Wire Helix to preserve the shape

or tent metal frame

[Refurbished] TerraBloom 4" EC Inline Duct Fan with Variable Speed Controller, ECMF-100, 141 CFM, 21W 4" x 16" carbon filter COMPACT: Only 12CERTIFIED AND TESTED REFURBISHED VERSION Refurbished version might have minor cosmetic imperfections. Might come in different packaging. Outside of minor cosmetic imperfections and packaging, these fans work as brand new. ENERGY SAVINGS: Built with a cutting edge brushless EC motor and dual jet type impeller, our new 4" ECMF series fans deliver 141 Cubic Feet per Minute (CFM) of Airflow using only 21 Watts. QUIET & FULLY ADJUSTABLE: Choose from 2