B-VENT 4" ROUND M STYLE DRAFT HOOD CONNECTOR

Part Number: 4MDC
METAL-FAB 4MDC Round Draft Hood Connector, 4.88 in L, Hot Dipped Galvanized, Domestic
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  • Products tested and listed to UL 441 requirements to ensure safety and efficiency
  • 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