Nenesupply Backflow Protector Compatible with Spectra S2 S1 Breastpump Replace Pump Parts and

2 NENESUPPLY COMPATIBLE BACKFLOW PROTECTORS for SPECTRA S1, SPECTRA S2, SPECTRA 9PLUS Breastpumps. Including 2 Large Cases, 2 Small Cases, and 2 Silicone Membranes, Not original Spectra s1 accessories. MADE BY NENESUPPLY. NOT ORIGINAL SPECTRA PUMP PARTS. Compatible with other Spectra S2 accessories and Spectra S1 accessories. Materials do not contain any BPA, and can be sanitized with boiling water or water steam. CLOSED SYSTEM. No contact between milk and tubing. Comply with EU Commission Regulation (EU) No 10/2011 for plastic materials that contact food. IN RETAIL PACK sealed by manufacturer for best protection and hygiene. Every batch is tested by independent labs for safety.