High quality duct fan muffler/noise reducer silencer for hydroponic/fan silencer

1.uses,reduce the noise of the device.
2.easy to install.
3.Easy to connect to duct, no affect airflow.

Muffler (Muffler) is to prevent the sound and allow the air through a device, it is to eliminate air dynamic noise of the important measures.

Muffler is installed on the air power equipment (such as fan, air compressor, boiler vent, generators, water pumps and other vent noise larger equipment) of gas flow path or into the exhaust system, reduce the noise device.We have types of muffters,about 4",6",8"and12".Welcome to your inquiry.