Maymom Brand Pump in Style Tubing and Breast Pump Kit for Medela Pump in Style Breastpump. Inc. 2 Pump in Style Tubing, 4 Valves, 8 Membranes, and 2 Breastshields (Can Replace Medela Personalfit Connector and Breastshield) for Medela Pump in Style Advanced Sold After July 2006. Replace Medela Breastshield, Medela Valves, Membranes, and Pump in Style Tubing. Can Be Used with Simple Wishes Bra or Simplicity Bra Kit. Review