{
  "schema_version": "compare-page.v2",
  "page_id": "personalfit-flex-shields-and-connectors-by-medela-pump",
  "url": "https://robotrunk.com/compare/want/personalfit-flex-shields-and-connectors-by-medela-pump",
  "title": "PersonalFit Flex shields and connectors by Medela pump",
  "question": "Which PersonalFit Flex shields and connectors fit a Medela breast pump, depending on the pump model?",
  "answer": "The pump model is not stated, so fit depends on which pump you have. MEDELA PersonalFit™ Connectors: They work with Medela breast pumps except Freestyle, Harmony and Sonata models. They attach to every PersonalFit breast-shield size, which is sold separately. Medela PersonalFit Flex Connectors: The connectors work only with Pump In Style with MaxFlow and Freestyle Flex breast pumps. They work with PersonalFit, PersonalFit Flex and PersonalFit Plus breast shields, sold separately. Medela PersonalFit Connectors: For Medela Symphony and Pump in Style Advanced breast pumps. Not compatible with Pump in Style with MaxFlow, Freestyle, Freestyle Flex, Harmony, Sonata, or Swing. Also attaches to PersonalFit Flex breast shields. Medela Personal Fit Flex Breast Shield: The store says these breast shells work with all Medela breast pumps. The quoted variant is 24 mm. MEDELA PersonalFit Flex™ Breast Shields: Sizes range from S 21 mm through XXL 36 mm. Medela Personal Fit Flex Breast Shields: The quoted variant is 27 mm.",
  "kind": "breastfeeding",
  "market": "US",
  "generated_at": "2026-10-10T03:00:08.470Z",
  "columns": [
    "Pump fit",
    "Shield fit",
    "Sizes"
  ],
  "notices": {
    "facts": "Every value in the table is a fact RoboTrunk checked, linked to the page it came from. A dash means no checked fact fills that cell.",
    "price": "Prices and stock change, so this page prints neither: each product name links to its RoboTrunk page, which shows them live."
  },
  "cited_facts": [
    {
      "ref": "p1.f1",
      "product": "Medela PersonalFit Flex Connectors",
      "field": "Pump compatibility",
      "value": "The connectors work only with Pump In Style with MaxFlow and Freestyle Flex breast pumps.",
      "stated_as": "Compatible only with the Pump In Style with MaxFlow and Freestyle Flex Breast Pumps",
      "source_type": "listing",
      "source_url": "https://anb-baby.myshopify.com/products.json",
      "source_read_at": "2026-09-23T19:03:51.372Z"
    },
    {
      "ref": "p1.f2",
      "product": "Medela PersonalFit Flex Connectors",
      "field": "Shield compatibility",
      "value": "They work with PersonalFit, PersonalFit Flex and PersonalFit Plus breast shields, sold separately.",
      "stated_as": "for use with all Medela PersonalFit™ Breast Shields; PersonalFit, PersonalFit Flex™, and PersonalFit™ Plus breast shields (sold separately)",
      "source_type": "listing",
      "source_url": "https://anb-baby.myshopify.com/products.json",
      "source_read_at": "2026-09-23T19:03:51.372Z"
    },
    {
      "ref": "p2.f2",
      "product": "Medela PersonalFit Connectors",
      "field": "Compatible pumps",
      "value": "For Medela Symphony and Pump in Style Advanced breast pumps.",
      "stated_as": "for use with Medela Symphony and Pump in Style Advanced breast pumps.",
      "source_type": "listing",
      "source_url": "https://anb-baby.myshopify.com/products.json",
      "source_read_at": "2026-09-23T19:03:51.372Z"
    },
    {
      "ref": "p2.f3",
      "product": "Medela PersonalFit Connectors",
      "field": "Incompatible pumps",
      "value": "Not compatible with Pump in Style with MaxFlow, Freestyle, Freestyle Flex, Harmony, Sonata, or Swing.",
      "stated_as": "Not compatible with Pump in Style with MaxFlow, Freestyle, Freestyle Flex, Harmony, Sonata, or Swing breast pumps.",
      "source_type": "listing",
      "source_url": "https://anb-baby.myshopify.com/products.json",
      "source_read_at": "2026-09-23T19:03:51.372Z"
    },
    {
      "ref": "p2.f4",
      "product": "Medela PersonalFit Connectors",
      "field": "PersonalFit Flex compatibility",
      "value": "Also attaches to PersonalFit Flex breast shields.",
      "stated_as": "including the PersonalFit Flex™ Breast Shields",
      "source_type": "listing",
      "source_url": "https://anb-baby.myshopify.com/products.json",
      "source_read_at": "2026-09-23T19:03:51.372Z"
    },
    {
      "ref": "p3.f2",
      "product": "MEDELA PersonalFit™ Connectors",
      "field": "Breast-shield compatibility",
      "value": "They attach to every PersonalFit breast-shield size, which is sold separately.",
      "stated_as": "The PersonalFit Connectors attach to all PersonalFit breast shields and sizes (sold separately)",
      "source_type": "listing",
      "source_url": "https://anb-baby.myshopify.com/products.json",
      "source_read_at": "2026-09-23T19:03:51.372Z"
    },
    {
      "ref": "p3.f3",
      "product": "MEDELA PersonalFit™ Connectors",
      "field": "Pump compatibility",
      "value": "They work with Medela breast pumps except Freestyle, Harmony and Sonata models.",
      "stated_as": "are for use with Medela breast pumps (except Freestyle ® , Harmony ® , or Sonata ® breast pumps).",
      "source_type": "listing",
      "source_url": "https://anb-baby.myshopify.com/products.json",
      "source_read_at": "2026-09-23T19:03:51.372Z"
    },
    {
      "ref": "p4.f1",
      "product": "Medela Personal Fit Flex Breast Shield",
      "field": "Sizes",
      "value": "The quoted variant is 24 mm.",
      "stated_as": "Variant: 24 mm",
      "source_type": "listing",
      "source_url": "https://anb-baby.myshopify.com/products.json",
      "source_read_at": "2026-09-23T19:03:51.372Z"
    },
    {
      "ref": "p4.f3",
      "product": "Medela Personal Fit Flex Breast Shield",
      "field": "Compatibility",
      "value": "The store says these breast shells work with all Medela breast pumps.",
      "stated_as": "These breast shells are compatible with all Medela breast pumps.",
      "source_type": "listing",
      "source_url": "https://anb-baby.myshopify.com/products.json",
      "source_read_at": "2026-09-23T19:03:51.372Z"
    },
    {
      "ref": "p6.f1",
      "product": "Medela Personal Fit Flex Breast Shields",
      "field": "Sizes",
      "value": "The quoted variant is 27 mm.",
      "stated_as": "Variant: 27 MM",
      "source_type": "listing",
      "source_url": "https://anb-baby.myshopify.com/products.json",
      "source_read_at": "2026-09-23T19:03:51.372Z"
    },
    {
      "ref": "p7.f1",
      "product": "MEDELA PersonalFit Flex™ Breast Shields",
      "field": "Sizes",
      "value": "Sizes range from S 21 mm through XXL 36 mm.",
      "stated_as": "S - 21mm — M - 24mm — L - 27mm — XL - 30mm — XXL - 36 mm",
      "source_type": "listing",
      "source_url": "https://anb-baby.myshopify.com/products.json",
      "source_read_at": "2026-09-23T19:03:51.372Z"
    }
  ],
  "rows": [
    {
      "rank": 1,
      "merchant": {
        "slug": "anbbaby-com",
        "display_name": "anbbaby.com"
      },
      "product_id": "gid://shopify/Product/4506806779990",
      "name": "MEDELA PersonalFit™ Connectors",
      "url": "/products/ucp/anbbaby-com/4506806779990",
      "why": "They work with Medela breast pumps except Freestyle, Harmony and Sonata models.",
      "cells": [
        {
          "column": "Pump fit",
          "fact": {
            "field": "Pump compatibility",
            "value": "They work with Medela breast pumps except Freestyle, Harmony and Sonata models.",
            "stated_as": "are for use with Medela breast pumps (except Freestyle ® , Harmony ® , or Sonata ® breast pumps).",
            "source_type": "listing",
            "source_url": "https://anb-baby.myshopify.com/products.json",
            "source_read_at": "2026-09-23T19:03:51.372Z"
          }
        },
        {
          "column": "Shield fit",
          "fact": {
            "field": "Breast-shield compatibility",
            "value": "They attach to every PersonalFit breast-shield size, which is sold separately.",
            "stated_as": "The PersonalFit Connectors attach to all PersonalFit breast shields and sizes (sold separately)",
            "source_type": "listing",
            "source_url": "https://anb-baby.myshopify.com/products.json",
            "source_read_at": "2026-09-23T19:03:51.372Z"
          }
        },
        {
          "column": "Sizes",
          "fact": null
        }
      ]
    },
    {
      "rank": 2,
      "merchant": {
        "slug": "anbbaby-com",
        "display_name": "anbbaby.com"
      },
      "product_id": "gid://shopify/Product/6558646108246",
      "name": "Medela PersonalFit Flex Connectors",
      "url": "/products/ucp/anbbaby-com/6558646108246",
      "why": "The connectors work only with Pump In Style with MaxFlow and Freestyle Flex breast pumps.",
      "cells": [
        {
          "column": "Pump fit",
          "fact": {
            "field": "Pump compatibility",
            "value": "The connectors work only with Pump In Style with MaxFlow and Freestyle Flex breast pumps.",
            "stated_as": "Compatible only with the Pump In Style with MaxFlow and Freestyle Flex Breast Pumps",
            "source_type": "listing",
            "source_url": "https://anb-baby.myshopify.com/products.json",
            "source_read_at": "2026-09-23T19:03:51.372Z"
          }
        },
        {
          "column": "Shield fit",
          "fact": {
            "field": "Shield compatibility",
            "value": "They work with PersonalFit, PersonalFit Flex and PersonalFit Plus breast shields, sold separately.",
            "stated_as": "for use with all Medela PersonalFit™ Breast Shields; PersonalFit, PersonalFit Flex™, and PersonalFit™ Plus breast shields (sold separately)",
            "source_type": "listing",
            "source_url": "https://anb-baby.myshopify.com/products.json",
            "source_read_at": "2026-09-23T19:03:51.372Z"
          }
        },
        {
          "column": "Sizes",
          "fact": null
        }
      ]
    },
    {
      "rank": 3,
      "merchant": {
        "slug": "anbbaby-com",
        "display_name": "anbbaby.com"
      },
      "product_id": "gid://shopify/Product/8777998106910",
      "name": "Medela PersonalFit Connectors",
      "url": "/products/ucp/anbbaby-com/8777998106910",
      "why": "Also attaches to PersonalFit Flex breast shields.",
      "cells": [
        {
          "column": "Pump fit",
          "fact": {
            "field": "Compatible pumps",
            "value": "For Medela Symphony and Pump in Style Advanced breast pumps.",
            "stated_as": "for use with Medela Symphony and Pump in Style Advanced breast pumps.",
            "source_type": "listing",
            "source_url": "https://anb-baby.myshopify.com/products.json",
            "source_read_at": "2026-09-23T19:03:51.372Z"
          }
        },
        {
          "column": "Shield fit",
          "fact": {
            "field": "PersonalFit Flex compatibility",
            "value": "Also attaches to PersonalFit Flex breast shields.",
            "stated_as": "including the PersonalFit Flex™ Breast Shields",
            "source_type": "listing",
            "source_url": "https://anb-baby.myshopify.com/products.json",
            "source_read_at": "2026-09-23T19:03:51.372Z"
          }
        },
        {
          "column": "Sizes",
          "fact": null
        }
      ]
    },
    {
      "rank": 4,
      "merchant": {
        "slug": "anbbaby-com",
        "display_name": "anbbaby.com"
      },
      "product_id": "gid://shopify/Product/4007253508182",
      "name": "Medela Personal Fit Flex Breast Shield",
      "url": "/products/ucp/anbbaby-com/4007253508182",
      "why": "The store says these breast shells work with all Medela breast pumps.",
      "cells": [
        {
          "column": "Pump fit",
          "fact": {
            "field": "Compatibility",
            "value": "The store says these breast shells work with all Medela breast pumps.",
            "stated_as": "These breast shells are compatible with all Medela breast pumps.",
            "source_type": "listing",
            "source_url": "https://anb-baby.myshopify.com/products.json",
            "source_read_at": "2026-09-23T19:03:51.372Z"
          }
        },
        {
          "column": "Shield fit",
          "fact": null
        },
        {
          "column": "Sizes",
          "fact": {
            "field": "Sizes",
            "value": "The quoted variant is 24 mm.",
            "stated_as": "Variant: 24 mm",
            "source_type": "listing",
            "source_url": "https://anb-baby.myshopify.com/products.json",
            "source_read_at": "2026-09-23T19:03:51.372Z"
          }
        }
      ]
    },
    {
      "rank": 5,
      "merchant": {
        "slug": "anbbaby-com",
        "display_name": "anbbaby.com"
      },
      "product_id": "gid://shopify/Product/4007253540950",
      "name": "MEDELA PersonalFit Flex™ Breast Shields",
      "url": "/products/ucp/anbbaby-com/4007253540950",
      "why": "Sizes range from S 21 mm through XXL 36 mm.",
      "cells": [
        {
          "column": "Pump fit",
          "fact": null
        },
        {
          "column": "Shield fit",
          "fact": null
        },
        {
          "column": "Sizes",
          "fact": {
            "field": "Sizes",
            "value": "Sizes range from S 21 mm through XXL 36 mm.",
            "stated_as": "S - 21mm — M - 24mm — L - 27mm — XL - 30mm — XXL - 36 mm",
            "source_type": "listing",
            "source_url": "https://anb-baby.myshopify.com/products.json",
            "source_read_at": "2026-09-23T19:03:51.372Z"
          }
        }
      ]
    },
    {
      "rank": 6,
      "merchant": {
        "slug": "anbbaby-com",
        "display_name": "anbbaby.com"
      },
      "product_id": "gid://shopify/Product/4007253573718",
      "name": "Medela Personal Fit Flex Breast Shields",
      "url": "/products/ucp/anbbaby-com/4007253573718",
      "why": "The quoted variant is 27 mm.",
      "cells": [
        {
          "column": "Pump fit",
          "fact": null
        },
        {
          "column": "Shield fit",
          "fact": null
        },
        {
          "column": "Sizes",
          "fact": {
            "field": "Sizes",
            "value": "The quoted variant is 27 mm.",
            "stated_as": "Variant: 27 MM",
            "source_type": "listing",
            "source_url": "https://anb-baby.myshopify.com/products.json",
            "source_read_at": "2026-09-23T19:03:51.372Z"
          }
        }
      ]
    }
  ]
}