Mason-Lite Black Extended Split Running Bond Brick Panel MFPST43SRBL-B-XMason Lite Black Extended Split Running Bond Brick Panel for See Through Firebox With Height Kit MFPST43SRBL B X What are the features of the Mason Lite Black Extended Split Running Bond Brick Panel for a See Through Firebox with a Height Kit, and how does its dark tone add depth and sophistication to your dual sided fireplace? The Mason Lite Black Extended Split Running Bond Brick Panel for a See Through Firebox with a Height Kit features a striking