Product Info - Acoustical
STC Configurations
![[STC 47]](../image/stc47.gif)
![[STC 48]](../image/stc48.gif)
![[STC 48f]](../image/stc48f.gif)
![[STC 51f]](../image/stc51f.gif)
![[STC 57]](../image/stc57.gif)