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TerraBloom 8" Air Duct - 8 FT Long, Black Flexible Ducting with 2 Clamps, 4 Layer HVAC Ventilation Air Hose - Great For Grow Tents, Dryer Rooms, House Vent Register Lines - Amazon.com
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Rubber-Cal PVC Flexduct 2-in x 144-in PVC Flexible Duct in the Flexible Duct department at Lowes.com
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TerraBloom 8 Inch Aluminum Flex Duct - 8 FT Long, Flexible Ducting with 2 Clamps, 3 Layer HVAC Ventilation Air Hose - Great for Dryer, Grow Tent, Green Houses, Household HVAC Venting - Amazon.com
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