Primacoustic NIMBUS Acoustic Cloud w/ Anchors & Wire, 24" x 48" x 1.5 - Grey, 2 PackKeep room echo and reverb at bay with the gray Nimbus Acoustic Ceiling Cloud Kit from Primacoustic. Designed to be suspended from the ceiling, the two 24 x 48" panels included in this kit absorb sound and trap reflections from the ceiling to improve speech intelligibility and facilitate communication in venues such as restaurants, libraries, and boardrooms. Several Nimbus clouds may be installed in an array to control noise in large spaces. The Nimbus