B-VENT 4" ROUND M STYLE ADJ ELBOW 90 DEGREE

Part Number: 4M90
METAL-FAB 4M90 Adjustable Double Wall Elbow, 4 in, Hub x Spigot Connection, 90 deg, Hot Dipped Galvanized, Domestic
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  • Products tested and listed to UL 441 requirements to ensure safety and efficiency
  • The five-piece M90 short radius elbow is fully adjustable from 0 (straight) to 90 deg
  • The 360 deg rotating collar allows for desired orientation of vent pipe
  • SureLock locking system, no sheet metal screws required
  • 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