AC Infinity - Inline Duct Fan Silencer, 4 Inch - 100 MM Out of stock Brilliantly simple design that’s easy

Brilliantly simple design that’s easy to use

Increase Plant Health

Masks and gloves are recommended when using this product

and as fertilizer with astounding results

AC Infinity - Inline Duct Fan Silencer, 4 Inch - 100 MM Out of stock Brilliantly simple design that’s easyA 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