Maymom Breast Pump Kit Compatible with Medela Pump in Style Advanced Breast Pumps; 2X Breastshields (one-piece), 27mm, 4 Valves, 6 Membranes, & 2 Tubings; Can Replace Medela Valve, Pumpinstyle

Maymom Breast Pump Kit Compatible with Medela Pump in Style Advanced Breast Pumps; 2X Breastshields (one-piece), 27mm, 4 Valves, 6 Membranes, & 2 Tubings; Can Replace Medela Valve, Pumpinstyle