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 

1 

 

5 – 4×10 

1 

 

6 – 4×10 

1 

 

6 – 6×10 

1 

 

7 – 6×10 

1 

 

8 – 6×12 

1 

 

8 – 6×14 

1 

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