Duct Fan Silencer 6 - Duct Fan Silencer for 6" Duct Fan nutrients and supplements How much Stonington Blend Platinum

How much Stonington Blend Platinum Grower’s Mix will you need

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

CO2 Device Stations Max 2pcs per set

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

This is a biologically time-release formula

Duct Fan Silencer 6 - Duct Fan Silencer for 6" Duct Fan nutrients and supplements How much Stonington Blend PlatinumA 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