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ALAN's Duct Silencer reduces noise traveling through ductwork.

Order Code: Duct Muffler-"Size"
Unit of Measure

Specifications

Diameter

 N/A 12 in

Sound Reduction at 250 Hertz (Hz)

 N/A 8.8

Sound Reduction at 500 Hertz (Hz)

 N/A 16.5

Sound Reduction at 1000 Hertz (Hz)

 N/A 21.8

Unit Weight

 N/A 15.0 lb

Length

 N/A 36 in

Shape

 N/A Round

Industry Standards

 N/A National Fire Protection Association (NFPA) 90A National Fire Protection Association (NFPA) 90B Underwriters Laboratories (UL)

Features

Features

 N/A
  • Available in 5", 6", 8", 10" and 12" diameters
  • No airflow restriction
  • Maintenance free
  • Easy to install
  • Building Code Compliant, Meets NFPA Standards 90A and 90B
  • UL Listed, Class I Air Duct
  • Install in New or Existing ductwork

Note

Note

 N/A Measurements under standard laboratory conditions at 180 cm from orifice in dBA.
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