Backflow Protector For spectra S9+

Do you sterilize the backflow Protector with the white membrane inside for spectra S9+ for the first time use? If yes, do u still need to sterilize for every subsequent use?

Evelyn

Mummy Of 2 Lovely Baby Girls

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The white membrane I never sterilise. The rest of the part yes.

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Home Pregnancy sterilize backflow protector with white membrane inside spectra s9 first