Sierra Environmental Technologies, LLC 18545 Bridlegate Lane , Pacific , MO 63069 USA Environmental XPRT Downloads premium About Solutions products Downloads Home breadcrumb Companies Sierra Environmental Technologies, LLC Products Sierra - Sound Enclosures Sierra - Sound Enclosures From Accessories 0 Share Share with Facebook Share with Tweeter Share with LinkedIn Completely assembled units custom-engineered to fit the application to provide up to 25 dBA of sound attenuation. Fabricated from fiberglass, stainless steel, or coated galvanized steel. Most popular related searches sound attenuation sound enclosure Customer reviews No reviews were found for Sierra - Sound Enclosures. Be the first to review! Add your review Publish your review Great! review successfully added!