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DW1247DWAJD-3Z-S
Double Wall Adjustable Duct - 12" Inner Duct, 47" long - 3 Layers Zero Clearance - 18" Stainless Steel Outer Shell. Min Length = 11" / Max Length = 48.5" / Adjustment = 30.5" / Adjustable Section May Need To Be Cut. Includes single and double wall "V" Clamps.