The BVTW Series transaction windows are available with extruded aluminum frames. These transaction windows are intended for use in interior applications. Passive voice communication is achieved through an offset baffle configuration similar to the NATL. The BVTW is offered in UL levels 1-3 and 6. As with other North American Bullet Proof glass transaction windows the BVTW comes with a parcel shelf in PLAM, stainless steel or solid surface and an MDT series stainless steel deal tray to exchange cash or documents. Odd sizes and customization of this transaction window is possible.