- Installation: designed to attenuate medium and high frequency noise breakout from ductwork and plant room openings
- Size and weight : From 500 x 500 to 1200 x 2000 in a single panel, large units are available in multiple units which bolt together in situ , Single bank 39kg/m2 , Double bank 79kg/m2 , Free area approximately 40%
- Shape : square , rectangular
- Material: Cases and blades formed from aluminum or steel sheet. The attenuation material is glass wool faced with perforated sheet.
- Packing: plastic bags
For supply or extract air, the Acoustic Louvre is designed to attenuate medium and high frequency noise breakout from ductwork and plant room openings. Available in single bank or, for higher levels of attenuation, double bank.