Carbon Garden SilencerReduce Grow Room Fan Noise by Up to 50% Carbon Garden Silencer is a purpose built acoustic duct silencer designed to reduce noise from inline extraction fans in grow rooms and ventilation systems. Using internal sound dampening acoustic foam, it helps cut fan noise by up to 50% while maintaining strong, efficient airflow. Ideal for growers looking to run quieter setups without compromising performance, this silencer fits seamlessly into your existing