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QUIET & FULLY ADJUSTABLE: Adjust the motor speed from 0%-100% without creating any additional hum or background noise
You can also select ambient airflow which you want to maintain at all times
ECMF-150-R
plus a handle so you can take it with you wherever you go
WARRANTY: TerraBloom 30-day money back guarantee
TerraBloom 12.4" (315mm) Air Duct - 8 FT Long, Black Flexible Ducting with 2 Clamps Sound Insulated Fan QUIET & FULLY ADJUSTABLE: Adjust12. 4" LIGHTPROOF DUCTING : We made this aluminum duct with your Grow Room needs in mind. Thick layer of Black PVC on this ducting prevents light leaks. Works with exhaust and intake fans, carbon filters and hooded lights which are 12. 4" in diameter 4 LAYER TOUGH: Keep your ventilation system free of rips and pin holes. Under the Black PVC layer our ducting is built with 2 layers of Aluminum Foil With a layer of PET and Steel Wire Helix to preserve