This is a Von Duprin 9975L mortise exit device. It mounts on a door prepared for a mortise lock and gives a push bar for exit. Von Duprin is an Allegion brand. Part 9975L-BE-05 4 US28 LHR is the 48 Device, Passage Function, 05 Lever with Escutcheon Trim, Hex Dogging, Field Reversible version in Satin Aluminum Clear Anodized.

• 48 Device
• Passage Function
• 05 Lever with Escutcheon Trim
• Hex Dogging
• Field Reversible
• Finish US28 Satin Aluminum Clear Anodized
• Grade 1
• Part number 9975L-BE-05 4 US28 LHR