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Description

Special features of our Standard Attenuators are:

• Diffusion angle to improve pressure drop
  
• Bellmouth entrance to help minimize turbulence
  
• 22 gauge minimum galvanized steel casings
  
• 24 gauge minimum perforated galvanized baffles
  
• Long strand Fiberglass acoustical fill
  
• Seams are mastic filled to insure airtight units to 8” w.g.
  
• Optional polyethylene, Mylar or fiberglass cloth liners
  
• Also Available in S.S. & Aluminium.
  

ASTM E-84 ratings for the acoustical fill are:

• Flame spread 15
  
• Smoke Developed 0
  
• Fuel Contributed 0