{
  "schema_version": "compare-page.v2",
  "page_id": "replacement-membranes-and-valves-for-medela-breast-pumps",
  "url": "https://robotrunk.com/compare/want/replacement-membranes-and-valves-for-medela-breast-pumps",
  "title": "Replacement membranes and valves for Medela breast pumps",
  "question": "Which replacement membrane or valve fits a Medela breast pump?",
  "answer": "MEDELA PersonalFit Breast Shield with Valve and Membrane: It fits Medela Pump In Style Advanced and Symphony breast pumps. It includes a 24 mm PersonalFit breast shield, connector, valve, and membrane.\n\nMEDELA Symphony Diaphragm Kit: Designed for the Medela Symphony Breast Pump. Includes two membranes and two replacement screws.\n\nMEDELA Sonata Spare Membranes: The membranes are exclusively for use with the Medela Sonata breast pump. They are made from BPA-free silicone.",
  "kind": "breastfeeding",
  "market": "US",
  "generated_at": "2026-10-23T05:56:09.671Z",
  "columns": [
    "Compatibility",
    "Included",
    "Material"
  ],
  "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 Sonata Spare Membranes",
      "field": "Compatibility",
      "value": "The membranes are exclusively for use with the Medela Sonata breast pump.",
      "stated_as": "designed exclusively for use with the Medela Sonata breast pump",
      "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 Sonata Spare Membranes",
      "field": "Material",
      "value": "They are made from BPA-free silicone.",
      "stated_as": "Crafted from durable, BPA-free silicone",
      "source_type": "listing",
      "source_url": "https://anb-baby.myshopify.com/products.json",
      "source_read_at": "2026-09-23T19:03:51.372Z"
    },
    {
      "ref": "p2.f1",
      "product": "MEDELA Symphony Diaphragm Kit",
      "field": "Compatibility",
      "value": "Designed for the Medela Symphony Breast Pump.",
      "stated_as": "specifically designed for mothers who use the Medela Symphony Breast Pump.",
      "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 Symphony Diaphragm Kit",
      "field": "Included",
      "value": "Includes two membranes and two replacement screws.",
      "stated_as": "includes two membranes and two replacement screws",
      "source_type": "listing",
      "source_url": "https://anb-baby.myshopify.com/products.json",
      "source_read_at": "2026-09-23T19:03:51.372Z"
    },
    {
      "ref": "p3.f1",
      "product": "MEDELA PersonalFit Breast Shield with Valve and Membrane",
      "field": "Compatibility",
      "value": "It fits Medela Pump In Style Advanced and Symphony breast pumps.",
      "stated_as": "Compatible with Medela Pump In Style Advanced and Symphony breast pumps",
      "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 Breast Shield with Valve and Membrane",
      "field": "Included",
      "value": "It includes a 24 mm PersonalFit breast shield, connector, valve, and membrane.",
      "stated_as": "a 24mm PersonalFit Breast Shield, connector, valve, and membrane",
      "source_type": "listing",
      "source_url": "https://anb-baby.myshopify.com/products.json",
      "source_read_at": "2026-09-23T19:03:51.372Z"
    },
    {
      "ref": "p3.f4",
      "product": "MEDELA PersonalFit Breast Shield with Valve and Membrane",
      "field": "Material safety",
      "value": "The materials are made without BPA.",
      "stated_as": "the materials are made without BPA",
      "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/1706519036004",
      "name": "MEDELA PersonalFit Breast Shield with Valve and Membrane",
      "url": "/products/ucp/anbbaby-com/1706519036004",
      "why": "It fits Medela Pump In Style Advanced and Symphony breast pumps.",
      "cells": [
        {
          "column": "Compatibility",
          "fact": {
            "field": "Compatibility",
            "value": "It fits Medela Pump In Style Advanced and Symphony breast pumps.",
            "stated_as": "Compatible with Medela Pump In Style Advanced and Symphony breast pumps",
            "source_type": "listing",
            "source_url": "https://anb-baby.myshopify.com/products.json",
            "source_read_at": "2026-09-23T19:03:51.372Z"
          }
        },
        {
          "column": "Included",
          "fact": {
            "field": "Included",
            "value": "It includes a 24 mm PersonalFit breast shield, connector, valve, and membrane.",
            "stated_as": "a 24mm PersonalFit Breast Shield, connector, valve, and membrane",
            "source_type": "listing",
            "source_url": "https://anb-baby.myshopify.com/products.json",
            "source_read_at": "2026-09-23T19:03:51.372Z"
          }
        },
        {
          "column": "Material",
          "fact": {
            "field": "Material safety",
            "value": "The materials are made without BPA.",
            "stated_as": "the materials are made without BPA",
            "source_type": "listing",
            "source_url": "https://anb-baby.myshopify.com/products.json",
            "source_read_at": "2026-09-23T19:03:51.372Z"
          }
        }
      ]
    },
    {
      "rank": 2,
      "merchant": {
        "slug": "anbbaby-com",
        "display_name": "anbbaby.com"
      },
      "product_id": "gid://shopify/Product/1706535780452",
      "name": "MEDELA Symphony Diaphragm Kit",
      "url": "/products/ucp/anbbaby-com/1706535780452",
      "why": "Designed for the Medela Symphony Breast Pump.",
      "cells": [
        {
          "column": "Compatibility",
          "fact": {
            "field": "Compatibility",
            "value": "Designed for the Medela Symphony Breast Pump.",
            "stated_as": "specifically designed for mothers who use the Medela Symphony Breast Pump.",
            "source_type": "listing",
            "source_url": "https://anb-baby.myshopify.com/products.json",
            "source_read_at": "2026-09-23T19:03:51.372Z"
          }
        },
        {
          "column": "Included",
          "fact": {
            "field": "Included",
            "value": "Includes two membranes and two replacement screws.",
            "stated_as": "includes two membranes and two replacement screws",
            "source_type": "listing",
            "source_url": "https://anb-baby.myshopify.com/products.json",
            "source_read_at": "2026-09-23T19:03:51.372Z"
          }
        },
        {
          "column": "Material",
          "fact": null
        }
      ]
    },
    {
      "rank": 3,
      "merchant": {
        "slug": "anbbaby-com",
        "display_name": "anbbaby.com"
      },
      "product_id": "gid://shopify/Product/1706940137572",
      "name": "MEDELA Sonata Spare Membranes",
      "url": "/products/ucp/anbbaby-com/1706940137572",
      "why": "The membranes are exclusively for use with the Medela Sonata breast pump.",
      "cells": [
        {
          "column": "Compatibility",
          "fact": {
            "field": "Compatibility",
            "value": "The membranes are exclusively for use with the Medela Sonata breast pump.",
            "stated_as": "designed exclusively for use with the Medela Sonata breast pump",
            "source_type": "listing",
            "source_url": "https://anb-baby.myshopify.com/products.json",
            "source_read_at": "2026-09-23T19:03:51.372Z"
          }
        },
        {
          "column": "Included",
          "fact": null
        },
        {
          "column": "Material",
          "fact": {
            "field": "Material",
            "value": "They are made from BPA-free silicone.",
            "stated_as": "Crafted from durable, BPA-free silicone",
            "source_type": "listing",
            "source_url": "https://anb-baby.myshopify.com/products.json",
            "source_read_at": "2026-09-23T19:03:51.372Z"
          }
        }
      ]
    }
  ]
}