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

4" high efficient duct muffler  

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.

Product information	Remarks
Product name	Efficient  Duct muffler
size	4" mini
Duct muffler	Fine structure ,Practical, Strong,Appearance perfect
Materials	1.Up and down the cover Spinning, punching
	2.Level 1 aluminum body
	3.Up and down the cover aluminium anode
	4. Glass fiber sound-absorbing cotton
Function	1.Protect the environment, to create a good working environment
	2.ues for air power equipment (fan, air compressor, boiler vent, generators, water pumps and other vent noise larger equipment)
	3.gas flow path or into the exhaust system,reduce the noise device,Prevent noise pollution
	4.Simple structure, practical
	5.Sound-absorbing effect:85%
	6.Easy Install
	7.No maintenance required.
Packaging	1.Whellote-box+carton
	2.Helpful for long distance transport and storage.

4 inch mini Efficient duct muffler