B-VENT 4" ROUND M STYLE PARTITION THIMBLE

Part Number: 4MPT
METAL-FAB 4MPT Round Partition Thimble, 4 in Dia, Aluminum, Galvanized, Domestic
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  • Products tested and listed to UL 441 requirements to ensure safety and efficiency
  • Adjust from 4 to 6-1/2 in for variable wall thickness
  • For use with double wall type B-Vent
  • The outer wall is constructed of galvanized steel, 0.018 in THK G-90 for sizes 3 to 14 in Dia and 0.024 in THK G-90 for sizes 16 to 30 in Dia
  • The inner wall is constructed of aluminum alloy, 0.012 in THK for sizes 3 to 8 in Dia and 0.018 in THK for sizes 10 to 30 in Dia
  • The vent includes an integral, annular insulating air space, 1/4 in THK for sizes 3 to 6 in Dia and 1/2 in THK for sizes 7 to 30 in Dia