Flexible Duct Flexible Ducts / Traps ATCO – 6″ x 25′ Silver Flexible Duct Add to Cart ATCO – 8″ x 25′ Silver Flexible Duct Add to Cart ATCO – 10″ x 25′ Silver Flexible Duct Add to Cart ATCO – 12″ x 25′ Silver Flexible Duct Add to Cart ATCO – 14″ x 25′ Silver Flexible Duct Add to Cart ATCO – 16″ x 25′ Silver Flexible Duct Add to Cart