
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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Maymom Tubing Kit For Freemie Cups To Connect To Medela Freestyle Pump
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Nenesupply 21Mm Flange Pump Parts - Compatible Replacement Kit For Spectra S2/S1 Breast Pumps With Essential Accessories
42 Review

Maymom 15Mm Flange Insert Compatible With Elvie Single/Double Electric, Elvie Stride Cup (24Mm), Compatible With Medela PersonalFit Flex Shield, Not Original Elvie Replacement Pump Parts
52 Review

Omega-3 caps, 1000 mg, 200 pcs.
21 Review

๐ผ Organic Stage 2 Baby Food, Squash & Peas - Earth's Best, 3.5 oz Pouch (Pack of 12)
7 Review

๐ฅฆ Sprout Organic Baby Food, Mediterranean Veggie Power Bowl with Beans & Quinoa, 5 Oz Bowl (8 Count) - Ideal for Toddlers & Infants
8 Review

๐ Beech-Nut Probiotic Melties Pear Mango Spinach Yogurt Melts, 1oz (7 Pack) - Healthy Snacks for Toddlers and Babies
7 Review