Atlas Sound 96-8-10 8" Flanged Round Enclosure 10" Deep W/Fiberglass are economic cylindrical protective enclosures that mount a variety of Atlas Sound grilles. They are made of welded CRS construction and have a painted finish. It is made undercoated and patch-jute lined to take away any mechanical and acoustical resonances. It Loudspeaker Enclosures with Greater Cubic Capacity Provides an improved Loading to Enhance High-Quality Sound Systems and to achieve a richer and fuller bass, a generous acoustic fiberglass lining is installed to improve low frequency response.