CVR Exit Device, Concealed Vertical Rod, Narrow Style Crossbar Panic Device is Acceptable for Single or Double Door Openings Requiring Concelaed Vertical Rods. This Exit Device can be Installed Where a Mullion is Not Present. This Exit Device can also Carry Capability fo Function as a Less Bottom Rod Unit, Which is Desired in Health Care Buildings. UL Listed, Constructed with High-Grade Aluminum, Concealed Fasteners, 45" Crossbar that is able to be Field Cut, Built to Accept Standard Rim Cylinder for Exterior Key Control, Non-Handed, Aluminum