One way to find the best flange size to use while pumping is to measure your nipples. This is particularly helpful if you need to purchase better fitting flanges. Evenflo makes six (6) different flange sizes to choose from.
Flange Size Chart
Flange Size Calculator
Evenflo Baby Bottles, Breast Pumps, Pacifiers & Accessories
Free Flange Size Ruler (Free Printable!) — Milkology®
Evenflo 2pk Advancedfit Flange System - 28.0mm : Target
Evenflo 2pk Advancedfit Flange System - 28.0mm : Target
Deluxe Advanced Manual Breast Pump - R Exclusive
Breast Flange Sizing
Legendairy Milk - It's time for #lmflangefridays! Still confused
Evenflo AdvancedFit Flange Inserts – Evenflo Feeding
free nipple ruler – Nyusoo
Evenflo AdvancedFit Flange Inserts – Evenflo Feeding
How to Find the Right Breast Pump Flange Size
Pumping shouldn't hurt. When pumping is uncomfortable or hurts, it can suppress the amount of milk you are able to express. To avoid discomfort and
Evenflo AdvancedFit Flange System, X-Small Size (21.0mm) - 2ct
Evenflo AdvancedFit Flange System: XL & XXL Sizes