Maymom Pump Valves Compatible with Philips Avent ISIS Breast Pumps; Duckbills to Replace Philips Avent Valves (aka Avent Duckbills, Philips Valves or Avent ISIS Valves); Not for Comfort Pump. 4 PC;

Breast pump valves for Philips Avent Manual, Single Electronic and Twin Electronic Breast PumpsWILL NOT work with the newer Philips Comfort Pumps.Dishwasher toprack safe; Steam safe for sterilisation;

• 4x Breast pump valves compatible with Philips Avent Manual, Single Electronic and Twin Electronic Breast Pumps
• WILL NOT work with the newer Philips Comfort Pumps.
• BPA free; Complies with US FDA regulation for plastics that contact foods
• Diswasher toprack safe; Steam safe for clean.
• Cleaning note: Wash this piece with hot, soapy water. It is not advisable to insert any object into the valve opening to clean it. This may tear or stretch the part resulting in poor performance. Check the valve frequently for tears.