Excellent Chamber Type Spark Arresting:
Expected Attenuation is 24 to 28 dBA

Use a model MSA3 for quiet residential areas where background noise is relatively low and “critical” grade silencing with spark arresting feature is required.

Example: For truly quiet residential areas where ambient noise levels are very low and the sounds of birds singing and the soft hum of air conditioning units may be the noticeable noise features.

• Internal combustion engine exhausts
• High efficient spark arresting capability

• Advanced acoustical design
• Heavy duty, all welded construction and long service life
• Easily installed in any position
• Prime coated exterior finish

• Backfire relief covers
• Flexible connectors
• Companion flanges
• Cleanout openings
• Side inlets
• Horizontal or vertical support arrangements
• Special painting