This tubing CANNOT be used with Freestyle, Swing, Pump In Style Original or Pump In Style Advanced breast pumps.
Tubing should be replaced after long periods in storage since any moisture inside the tubing may promote mold / bacteria growth.
Use Medela - Quick Clean Micro, Steam Bag to sterilize any breastfeeding parts or accessories. The best method to clean tubing is in the microwave with Medela QuickClean Micro-Steam Bags (alone with no other parts in the bag).