Duct Fan Silencer 4 - Duct Fan Silencer for 4" Duct Fan water-filtration Package Dimensions: 275mm(L) x 87mm(W)

Package Dimensions:              275mm(L) x 87mm(W) x 94mm(H)

RAW = SOLUBLE FULLY LOADED RETAIL DISPLAY

The DSP-1 allows the user to easily connect any device that needs to be controlled by TIME to the Hydro-x

- Automatic air pressure compensation valve

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Duct Fan Silencer 4 - Duct Fan Silencer for 4" Duct Fan water-filtration Package Dimensions: 275mm(L) x 87mm(W)A 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: 4 inches Length: 15 inches Weight: 2. 30 pounds