This new version designed Nov. 2016 is an improvement based on customers' feedback on the older design.
Maymom is a company you can trust. It invents and develops new products and tools for mothers of unique needs. It offers a full line of Spectra compatible pump parts including flanges, bottles, backflow protectors, flange adapters, flange inserts, duckbills, valves, membranes, power supplies like car charger, power bank and tubing.
The flanges are of sizes 13 mm up to 32 mm in 2mm increments. Maymom makes flange sizes that other major companies are not willing to make. Maymom cares for each mom.
Buying Maymom's product is satisfaction guaranteed. Contact the seller or Maymom for after sale service. You will not be disappointed.