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DW1227DWAJD-3R-S
Double Wall Adjustable Duct - 12" Inner Duct, 27" long - 3 Layers Reduced Clearance - 18" Stainless Steel Outer Shell. Min Length = 11" / Max Length = 24.5" / Adjustment = 13.5" / Adjustable Section May Need To Be Cut. Includes single and double wall "V" Clamps.