Literature - Downloadable PDFsrichhttp://amydufra.sites.su.ink/oembed/page/product-information/literature1.0Acoustical Solutions, Inc.http://amydufra.sites.su.ink<iframe src="http://amydufra.sites.su.ink/oembed/page/product-information/literature" width="600" height="400" scrolling="no" frameborder="no"></iframe>