Straight Ext Boot w/ Flange and Ceiling Radiation Damper UL Approved

Part No. 51FULD

Entire assembly is UL-Classified for use in UL 263 wood truss floor/ceiling assemblies rated 1 hour or less or in M-524 floor/ceiling as well as P-565 roof/ceiling assemblies

Incorporates UL 555C evaluated ceiling damper

   
 
Size 
Qty 
 
4 – 4×10 
 
5 – 4×10 
 
6 – 4×10 
 
6 – 6×10 
 
7 – 6×10 
 
8 – 6×12 
 
8 – 6×14 
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