Product: 30 mm Extra Large Flagne w/Valve and Membrane for Spectra Breast Pumps S1, S2, M1, Spectra 9; Narrow (Standard) Bottle Neck; Made by Maymom
Brand: Maymom
Requested by many speCtra pump users, Maymom develops this special kit just for speCtra users who have medium nipple diameters.  Spectra flanges connect only to Spectra bottles, which are not widely available. This Maymom flange kit allow you to use standard-sized bottles on the market. You can use all Madela, Ameda bottles and many other brands of standard bottles (Gerber, Playtex, Nuke, Evenflo)   Meeting every customer's needs is Maymom's value of existence. Maymom - Care for Each Mom! 
2x One-Piece Breastshield (30 mm internal diameter, specially designed for Sepctra Pumps) , 2 Valves, 4 Membranes; Compatible with Spectra pumps S1, S2, M1, Spectra 9 having the back-flow protector. This flange connects to small neck bottles. If your S1/S2 pump come with wide mouth bottles and you want to use them, you must purhcase additonal bottle converter (search keyword: Maymom Avent) to make the connection. Alternatively, many narrow mouth bottles (ameda) on the market will work.
This product is not for everyone. Measure your nipple size first (after pumping). Nipple tunnel diameter is 30 mm, suitable for mothers with nipple diameter 27-29 mm (after pumping); Connects to Standard-sized bottles (All Ameda Bottles; Small version of Spectra, Playtex, Gerber, Dr Brown etc; But NOT wide-mouth bottles like Avent or Wide version of Spectra). Please purchase/Use a Standard-Wide bottle converter for Wide mouth bottles. Compatible with Madela bottles
US FDA registered medical device (No. D192499); Complies with US FDA and EUstandards for containers that contact food and class II medical device; Test reports are online for your reference;
Retail poly-bag packed; sealed by the manufacturer.
Made of Bisphenol-A (BPA)/DEHP-free material and all components are steam safe for sterilization.

Search query: spectra flange 30mm
Relevance: Substitute