This tubing set is an after market replacement tubing for Medela FreeStyle pump. Proudly designed by Maymom and made in Taiwan. Maymom has been making high quality breastpump accessories for Medela and other breastpumps for 4 years. Every batch of product is tested for safety. The tubing does not have a center dock piece, which is not necessary, but it will work the same as the original Medela tubing set or your money back. BPA free. Test reports are available online for your reference. Buy with confidence.