
I use a lansinoh 2.0 pump and they fit perfectly just what I needed instead of using inserts. The product may not be as effective at pumping larger volumes of milk as other replacement options.

Nenesupply 21Mm Flange Pump Parts - Compatible Replacement Kit For Spectra S2/S1 Breast Pumps With Essential Accessories
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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
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Maymom Tubing Kit For Freemie Cups To Connect To Medela Freestyle Pump
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Purelan Medela Lanolin Nipple Cream 37 gr.
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π Beech-Nut Probiotic Melties Pear Mango Spinach Yogurt Melts, 1oz (7 Pack) - Healthy Snacks for Toddlers and Babies
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Earth's Best Organic Sesame Street Toddler Crunchin' Crackers, Original Flavor, 5.3 oz Box (6-Pack)
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Omega-3 caps, 1000 mg, 200 pcs.
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Plum Organics Hearty Veggie Variety πΌ Pack, 3.5oz Pouches, 18-Pack - Organic Baby Food
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