Helps mothers provide the purest milk possible to their babies. The kit's unique silicone diaphragm acts as a barrier, separating the user from the suction source. This helps ensure milk purity by preventing contaminants from coming in contact and prevents milk back up so tubing and pump require little to no maintenance. The HygieniKit offers mothers the choice of single or dual pumping. BPA and DEHP free. Includes: (1)Tubing adapter, (2) silicone tubing, (2) adapter caps, (2) silicone diaphragms, (2) 25.0 mm breast flanges, (4) valves, (2) 4 oz. bottles with lock-tight sealing lids, One-Hand Breast Pump adapter. HygieniKit is without BPA or DEHP.