The 9975 Series is a mortise exit device with a push bar that mounts on the door and works with a mortise lock body. It gives a door panic-style exit and is built for commercial openings. Von Duprin is an Allegion brand. Part LD9975L-NL-17 4 US3 RHR is the 48 Device, Night Latch Function, 17 Lever with Escutcheon Trim, Less Dogging, Field Reversible version in Bright Brass.

• 48 Device
• Night Latch Function
• 17 Lever with Escutcheon Trim
• Less Dogging
• Field Reversible
• Finish US3 Bright Brass
• Grade 1
• Part number LD9975L-NL-17 4 US3 RHR