BRS responded and said the box must have been damaged in shipping and put in another box by the carrier. On second look, the label does look like it's cut off of a TMP box and taped on the box. They are sending a replacement which is nice.
@FullerReef Same happened to me once with a Fritz Salt shipment from Saltwateraquarium.com, they said UPS must have trashed the box and now it was my problem to deal with (different customer service response lol). Looked the same as your shipment: