5x Duckbill Valves Flange Inserts Kit 13 15 17 19 21mm Pump Parts Replace Fo NEW
£8.40
CLOSED SYSTEM DESIGN: The silicone duckbill valve in these breastpump flanges prevents backflow, directing milk efficiently into the container without suction loss for a hygienic pumping session. 5 x Duckbill Valve.