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Sonic Series Acoustic Louvres SL4-20 Datasheet

Noise Control with Optimal Airflow

The SL4-20 acoustic louvre is designed to provide maximum sound reduction with reliable airflow.

With a higher Sound Transmission Loss rating than the SL4-10, the SL4-20 is built for high-demand noise control applications such as mechanical plant rooms, industrial enclosures, and HVAC systems.

Features:

  • Up to 24 dB sound reduction
  • Free Open Area: 21%
  • Discharge Coefficient (Cd): 0.77
  • Rain Penetration Rating: Class C (AS4740)
  • Superior acoustic performance for heavy-duty applications
  • Tested and verified using CFD and AS4740 standards

For more information on the Sonic Series acoustic louvres-SL4-20, download the datasheet.