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Acoustic louvers - Model 142 standard grade construction - dB Noise Reduction



  • For moderate noise attenuation on low velocity/large area building, enclosure and plenum openings


  • Designed to reduce noise while minimizing the ingress of water
  • Well suited to applications where space is limited, making the use of standard silencers impractical
  • Low face velocities ensure minimum pressure drop

Accessories and design options

  • Mounting flange for surface mounting
  • Galvanized and stainless steel mesh bird, insect and safety screens
  • Chevron designs available
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Acoustic louver features

Acoustic louver features - front view   Absorptive muffler bullet details

Acoustic louver features - front view - image - dB Noise Reduction

Product details


Up to 500 acfm/ft2

Pressure Drop:

0.5" wg maximum


Up to 250° F

Model depths:

6", 12" and 24"


From 12" X 12" to 96" X 96" (one piece)

Unit weight:

1,000 lbs maximum


Mill galvanized (standard). Stainless steels
and aluminum available


20 ga to 16 ga lock formed casings with
22 ga acoustic baffles

Paint finishes:

Alkyd and enamel finishes available

For other customized acoustic louver designs, please contact us and we will be happy to assist you.


Servicing clients in the US, Canada, Mexico, and many international locations worldwide.