ZenBaffle H-DUB Description. Request a Quote or Sample. Contact Us DescriptionSpecificationsDescription xxx Specifications [one-half-first]Acoustic Testing: [/one-half-first] [one-half]Fire Rating: [/one-half] Spec Sheet Install Guide Shapes, Sizes, and Layouts Available Colors Available Tech & Spec Best EnvironmentsWalls Open Ceilings Hard Ceilings Related ProductsZenBaffle SLIM ZenBaffle DUO ZenBaffle PLUS ZenBaffle H-DUB