Hon&Guan Flexible Ducting HVAC Ventilation Air Hose For Grow Tents, Dryer Rooms,Kitchen

Amazon.com Price: $14.99 (as of 06/08/2020 15:07 PST- Details)

LOW NOISE SILENCER: designed for reducing noise from fans and carbon filter systems, can decrease the noise by up to 50%.Come with 2 Clamps, easy to install.
4″ DUCTING LIGHTPROOF: Thick layer of Black PVC on Hon&Guan ducting prevents light leaks. Works with exhaust and intake fans, carbon filters and hooded lights which are 4″ in diameter
3-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 the shape,keep your ventilation system free of rips and pin holes

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