Duct Fan Silencer 6 - Duct Fan Silencer for 6" Duct Fan veg-and-bloom Humboldt Nutrients Bloom Natural is

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

and resists water

This machine works with both wet and dry flowers and can process up to 25 lbs dry (125 lbs wet) per hour of use

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

Duct Fan Silencer 6 - Duct Fan Silencer for 6" Duct Fan veg-and-bloom Humboldt Nutrients Bloom Natural isA 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