Universal fitment.Joins 2" OD pipe to 2" ID pipe Conforms to pipe and flex tubing to create the best seal available without distorting pipe More than 100 hours salt spray test conducted, making sure the great performance in anti-corrosion Professional installation is highly recommended International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions., Manufacturer: Nansheng