IVE-FB31P-MD-US10B, AUTO FLUSH BLT,TOP & BOT,METL DR

Both bolts are nonhanded, but are not identical. The top bolt has no spring tension, resulting in lower actuation force with a smoother operation.
• Fully Automatic—inactive door is latched when active door closes, bolts retract when active door is opened.
• Low Actuation Forces—Top Bolt Has No Spring Tension.
• UL Listed for Fire Doors.
• Fits standard ANSI A115.4 Door Frame Preparations.