In order to reduce the levels of noise infiltrating or escaping, acoustic louvers utilize blades with sound-absorbing materials. A variety of blade styles are available for these louvers, including box blades and airfoils. Often specified for office buildings, condos, and public buildings when sound attenuators cannot be installed, they can be seen in many offices, condominiums, and public building types. All eight octaves are addressed by the Envirotech acoustical louvers' use of fibrous media for acoustic attenuation.
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