
I have a spectra s2 plus and these did NOT work. It took double the time to pump and still didn't empty. I had to go back to my old ones (thankfully I kept them just in case)

Nenesupply Pump Parts Compatible With Medela Breastpump Not Original Medela Pump Parts 24Mm Breastshield Valve Membrane For Medela Pump In Style Medela Symphony Swing Replace Medela Breastshield
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Maymom Tubing Kit For Freemie Cups To Connect To Medela Freestyle Pump
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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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Electric breast pump LACTEA Smart Double, beige
59 Review

Plum Organics Hearty Veggie Variety πΌ Pack, 3.5oz Pouches, 18-Pack - Organic Baby Food
8 Review

Earth's Best Organic Sesame Street Toddler Crunchin' Crackers, Original Flavor, 5.3 oz Box (6-Pack)
8 Review

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

Earth's Best Non-GMO Soy Plant Based Infant Powder Formula: Iron, Omega-3 DHA & 6 ARA, 21 oz β Comprehensive Nutrition for Infants
7 Review