Maymom Backflow Protection Compatible with Spectra S2 S1 and 9 Plus Breast Pump Not Original Parts Accessories Replacement

Includes 2 backflow protection devices, including 2 large caps, 2 small caps and 2 silicone membranes. Replacement for Spectra backflow protectors, both new and old versions. Designed for use with the flanges of the Spectra S1, Spectra S2 and 9 Plus breast pumps. Full compatibility. No milk enters the hose, so the hose stays clean. FDA Registered Medical Devices Made from safe materials and can be disinfected with boiling water or steam. Comply with FDA regulations 21 CFR 177.1520, 21 CFR 177.2600 and EU Commission Regulation (EU) No 10/2011 for plastic materials intended to come into contact with food. Each batch is tested for safety by independent laboratories. All items are packaged in retail packaging and sealed by the manufacturer for best protection and hygiene.