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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