CM8 Chemtronics |

cm8Visqueen CM8 Membrane is a 8mm studded cavity membrane formed from 0.45mm thick hh density polyethylene (HDPE). The cavity membrane is translucentB&W; CM8 Floorstanding Loudspeaker Introduction. B&W is one of the oldest and most respected speaker companies in the world. They have earned a well-deserved reputation