whats is afl with lbr

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AFL stands for "Auxiliary Fire Latch" on fire rated exit devices.
Following parts are required to add the bottom rod and latch to the 98/9927-LBR/LBR-F device.  Bottom Rod: 050515 for 9827 and 050514 for 9927 (specify finish)  Bottom Latc...
Von Duprin now offers an 8827 LBR panic device as of October 7, 2019. This device uses the top rod assembly and soffit latch setup of the fire rated 8827-F device, but has dogging, a UL Panic Har...
Von Duprin offers a PL8827 LBR device with a pullman style top latch and Less Bottom Rod for use with electric strikes, but is not UL labeled nor ANSI/BHMA certified.
The Von Duprin 2227 or 2227-F  exit device is available less bottom rod.  Specify 2227-LBR or 2227F-LBR for fire.