Ameda Dual Hygienikit Milk Collection System (17155) helps mothers provide the purest milk possible to their babies. Hollister's exclusive, patented Ameda HygieniKit is one of the most effective milk collection systems available today. The Ameda Dual Hygienkit Milk Collection System unique silicone diaphragm acts as a barrier, separating the user from the suction source. Dual Hygienkit Milk Collection System attaches the same way to all Ameda pumps Dual Hygienkit Milk Collection System is easy to clean. Dual Hygienkit Milk Collection System is easy to reassemble. Dual Hygienkit Milk Collection System allows you to pump into any standard baby bottle or milk storage bag. The Ameda Dual Hygienkit Milk Collection System is pre-assembled and ready to use. The Ameda Dual Hygienkit Milk Collection System attaches the same way to all Ameda pumps. The Ameda Dual Hygienkit Milk Collection System is easy to clean and easier to reassemble. The Ameda Dual Hygienkit Milk Collection System effortlessly converts to manual pump with the optional adaptor. The Ameda Dual Hygienkit Milk Collection System is made of a clear plastic that provides visibility and facilitates cleaning. Pump into any standard baby bottle or milk storage bag with the Ameda Dual Hygienkit Milk Collection System. The Ameda Dual HygieniKit Collection System includes: 1 Set of Instructions. 1 Storage Bag. Screw-on Pump Bodies with Breast Shield and Splash Protection. 2 Valves. 2 Caps with Locking Rings. 2 4oz Clear Polycarbonate Bottles. 1 Tubing Adapter. 2 36" Tubing.