Duct Fan Silencer 6 - Duct Fan Silencer for 6" Duct Fan veg-and-bloom and herbs will receive adequate

and herbs will receive adequate nutrition during the vegetative and flowering stages

The blend is formulated with triple washed coir to guarantee low salts

Each unit delivers the necessary humidity needed during early growth cycles all the way through harvest

an efficiency rating of 14 to 18 SEER (Season Energy Efficiency Ratio)

Humboldt Nutrients Bloom Natural is an ultra-concentrated natural bloom formula designed to give your plants the large phosphorus and calcium boost needed during the flowering period

Duct Fan Silencer 6 - Duct Fan Silencer for 6" Duct Fan veg-and-bloom and herbs will receive adequateA 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