Duct Fan Silencer 6 - Duct Fan Silencer for 6" Duct Fan nutrients and supplements (A computer with permanent internet

(A computer with permanent internet access is required)

Simple & Easy to use - This device is all you need for simple

The UV-A Supplemental LED fits directly into the chassis of the Gavita 1700e LED allowing for ease on installation and and enhanced lighting

or they can be used for flowering by stacking the 4x4x3 on top of this 6x6x4

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Duct Fan Silencer 6 - Duct Fan Silencer for 6" Duct Fan nutrients and supplements (A computer with permanent internetA duct muffler designed for use with inline fans in grow tents, bathroom fans and other HVAC applications. Features dual aluminum flanges to help absorb sound waves from fan vibrations and airflow. High quality neoprene foam in an egg crate pattern that will reduce fan noise by up to 50%. Galvanized steel body that is corrosion resistant and can withstand extreme temperatures. Duct Opening Diameter: 6 inches Length: 20 inches Weight: 3. 90 pounds