AC Infinity Inline Duct Fan Silencer, 6-Inch Meters & Solutions White perlite granules are the

White perlite granules are the result of the expansion of combined water vaporizing in the crude mineral and forming enclosed air pockets

Plant Health in the Palm of Your Hand - Manage

* Chamber: 22*24

Grow rooms

AC Infinity Inline Duct Fan Silencer, 6-Inch Meters & Solutions White perlite granules are theDescription Duct Muffler: Designed for inline fans in grow rooms, bathroom fans, and other HVAC applications, this duct muffler features dual aluminum flanges that absorb sound waves from fan vibrations and airflow. It's a high quality tool for noise dampening in ventilation systems. High Quality Neoprene Foam: The muffler contains high grade neoprene foam arranged in an egg crate pattern capable of reducing fan noise by up to 50%. It's ideal for