This product includes 2 membranes, 2 valves and 4 tubings for Medela Pump In Style Advanced Breastpump released after July 2006. Medela has released several versions of Pump In Style. Please refer to product photos to verify your face plate before making the purchase. <p> The tubing in this listing is (1) One soft end & one pale yellow adapter (2) 42 inches in length (3) Smooth, clear plastic tubing (4) Made to replace Medela's #8007212. </p> <p> Maymom tubing is made from the same material as Medela tubing. If you want to clean the tubing with Medela Micro-Steam Bags, please follow instructions described on Micro-Steam Bags strictly. Failing to do so, you might have a chance to melt the tubing. </p>