* only comes with two * Nenesupply Silicone Backflow Protector Membranes Compatible with Spectra Backflow Protector Not Original Spectra Pump Parts Work with S2 S1 Breast Pumps Replacement Parts Accessories

Additional Details from the Manufacturer

This item information is coming from the manufacturer. Some of the details may vary from the Nellis Auction listing. Please check the Quality Rating and Notes for information specific to this listing

More features

• 4 SILICONE MEMBRANES for Spectra backflow protectors and Nenesupply backflow protector
• THIS IS AFTERMARKET PART MADE BY NENESUPPLY. Use on SPECTRA S2, SPECTRA S1, SPECTRA 9 PLUS. Not Original Spectra S2 Accessories
• OPTIMIZE PUMP PERFORMANCE. Replace silicone membranes regularly to optimize the performance of your breastpump
• Comply with EU Commission Regulation (EU) No 10/2011 for plastic materials that contact food. Tested by independent labs for safety.
• IN RETAIL PACK. MATERIALS DO NOT CONTAIN ANY BPA. Can be sanitized with boiling water or water steam. All items packaged in retail pack, sealed by manufacturer for best protection and hygiene.