Straight Ext Boot w/ Ceiling Radiation Damper UL Approved

Part No. 51ULD

Boot assembly is UL Classified for use in UL 263 wood truss floor/ceiling assemblies rated 1 hour or less and UL approved for use in M 524 floor/ceiling and well as P 565 roof/ceiling assemblies. Features 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