
I replaced the valves on my Spectra S2 pump flanges after about 3.5 months of use (pumping only during work) and I think it works better now than it did brand new! I also replaced the backflow preventer with the nenesupply version at the same time.

Nenesupply 21Mm Flange Replacement Kit Compatible With Spectra S2/S1 Breast Pumps, Including Ducksbill Valve, Backflow Protector, And Other S2 Accessories And Parts
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Wireless Wearable Breast Pump By Befano: Hands-Free S12 Electric Pump With 24Mm And 27Mm Flanges, 2 Modes, 9 Levels For Breastfeeding, Silent And Portable With Single Pump - Pink
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Maymom Tubing Kit For Freemie Cups To Connect To Medela Freestyle Pump
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Electric breast pump LACTEA Smart Double, beige
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๐ผ Organic Stage 2 Baby Food, Squash & Peas - Earth's Best, 3.5 oz Pouch (Pack of 12)
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Omega-3 caps, 1000 mg, 200 pcs.
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๐ฅฆ Sprout Organic Baby Food, Mediterranean Veggie Power Bowl with Beans & Quinoa, 5 Oz Bowl (8 Count) - Ideal for Toddlers & Infants
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Earth's Best Non-GMO Soy Plant Based Infant Powder Formula: Iron, Omega-3 DHA & 6 ARA, 21 oz โ Comprehensive Nutrition for Infants
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