![Amazon.com : 21 mm 2xOne-Piece Small Breastshield w/ Valve and Membrane for Medela Breast Pumps; Replacement to Medela PersonalFit 21 Breastshield and Personal Fit Connector; Made by Maymom : Breast Shells : Baby Amazon.com : 21 mm 2xOne-Piece Small Breastshield w/ Valve and Membrane for Medela Breast Pumps; Replacement to Medela PersonalFit 21 Breastshield and Personal Fit Connector; Made by Maymom : Breast Shells : Baby](https://m.media-amazon.com/images/I/61gkgGAcHZL.jpg)
Amazon.com : 21 mm 2xOne-Piece Small Breastshield w/ Valve and Membrane for Medela Breast Pumps; Replacement to Medela PersonalFit 21 Breastshield and Personal Fit Connector; Made by Maymom : Breast Shells : Baby
![Amazon.com : One-Piece Breastshield (19 mm, Extra Small) Compatible with Medela Breast Pumps (Pump in Style, Lactina, Symphony, Single Deluxe, Double Ease); Smaller Than Personalfit 21 mm; Made by Maymom : Baby Amazon.com : One-Piece Breastshield (19 mm, Extra Small) Compatible with Medela Breast Pumps (Pump in Style, Lactina, Symphony, Single Deluxe, Double Ease); Smaller Than Personalfit 21 mm; Made by Maymom : Baby](https://m.media-amazon.com/images/I/51E3GzRKwNL.jpg)
Amazon.com : One-Piece Breastshield (19 mm, Extra Small) Compatible with Medela Breast Pumps (Pump in Style, Lactina, Symphony, Single Deluxe, Double Ease); Smaller Than Personalfit 21 mm; Made by Maymom : Baby
![Amazon.com : Nipple Queen Ruler - Nipple Measuring Tool, Breast Pump Flange Sizing. Nipple Ruler, Flat Nipples, Inverted Nipples, Elastic Nipples : Baby Amazon.com : Nipple Queen Ruler - Nipple Measuring Tool, Breast Pump Flange Sizing. Nipple Ruler, Flat Nipples, Inverted Nipples, Elastic Nipples : Baby](https://m.media-amazon.com/images/I/61rjH8XKBwL.jpg)
Amazon.com : Nipple Queen Ruler - Nipple Measuring Tool, Breast Pump Flange Sizing. Nipple Ruler, Flat Nipples, Inverted Nipples, Elastic Nipples : Baby
![Amazon.com: Kiuimi Painless Single Electric Breast Pump, Pain Free, Anti-Backflow Breastfeeding with 2 Modes & 9 Levels, Rechargeable Portable Breast Milk Pump with Milk Storage Bags, Nipple - 22MM Flange : Everything Else Amazon.com: Kiuimi Painless Single Electric Breast Pump, Pain Free, Anti-Backflow Breastfeeding with 2 Modes & 9 Levels, Rechargeable Portable Breast Milk Pump with Milk Storage Bags, Nipple - 22MM Flange : Everything Else](https://m.media-amazon.com/images/I/51brWmNpqyL._AC_UF1000,1000_QL80_.jpg)