
I have the Blue Spectra and these will fit those flanges, and the Maymom ones. The only problem I did not think through is the oz. size. I have an oversupply and should have ordered the bigger bottles. These work, I just have to change bottles while pumping, or poor into another container to empty.

Compact Baby Bottle Drying Rack With Brush By Termichy- Ideal For Working Moms, Family Visits, Camping, And More - Large Capacity For Convenient And Efficient Drying
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Organize Your Baby Bottles Effortlessly With The Termichy Large Capacity Bottle Drying Rack In Pink
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Nenesupply 9Oz Wide Mouth Feeding And Storage Bottle Compatible With Spectra S2, S1, And 9 Plus Pumps - Includes Nipple, Sealing Disc, And Compatible With Spectra S2 Accessories And Pump Parts
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Maymom Wide Neck Breastmilk Collection N Storage Bottle 5.4 Oz; Re-Markable SureSeal Disc. Compatible With Spectra S2 Spectra S1 Spectra 9 Plus
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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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