M90 - Adjustable Double Wall Elbow - 6" - 11"

• 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