"This Flagro USA HiTex Ducting works with Flagro Indirect Heaters. An enclosed wire provides improved support and airflow. Waterproof outer layer resists the elements. Durable protective scuff strip increases longevity. U.S.A. Adjustable Yes, Length in. 25, Pipe Design Single wall, Pieces qty. 1, Fuel Type Propane burning, Product Style Flexible ducting, Color Black, Pipe Diameter in. 12. 2-pin connection High heat and cold crack resistant Two secure straps Works with Flagro Indirect Heaters, Item#s 24678, 24677, 24676, 24675, 24388, 24387, 24386 and 24535"
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