{
  "schema_version": "compare-page.v2",
  "page_id": "replacement-membranes-and-diaphragms-for-medela-pumps",
  "url": "https://robotrunk.com/compare/want/replacement-membranes-and-diaphragms-for-medela-pumps",
  "title": "Replacement membranes and diaphragms for Medela pumps",
  "question": "Which spare membranes or diaphragms can replace a worn part in a Medela pump?",
  "answer": "MEDELA Sonata Spare Membranes: The membranes are exclusively for use with the Medela Sonata breast pump. They can be kept as spares or used to replace worn parts.\n\nMEDELA Symphony Diaphragm Kit: Designed for the Medela Symphony Breast Pump. Provides replacement parts for the pumping mechanism. Includes two membranes and two replacement screws.",
  "kind": "breastfeeding",
  "market": "US",
  "generated_at": "2026-10-16T15:44:11.557Z",
  "columns": [
    "Compatibility",
    "Contents",
    "Replacement use"
  ],
  "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.f4",
      "product": "MEDELA Sonata Spare Membranes",
      "field": "Purpose",
      "value": "They can be kept as spares or used to replace worn parts.",
      "stated_as": "They are perfect to keep on hand as spares or replacements for worn parts",
      "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 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": "p4.f2",
      "product": "MEDELA Symphony Diaphragm Kit",
      "field": "Purpose",
      "value": "Provides replacement parts for the pumping mechanism.",
      "stated_as": "provides essential replacement parts for the pumping mechanism",
      "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 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"
    }
  ],
  "rows": [
    {
      "rank": 1,
      "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": "They can be kept as spares or used to replace worn parts.",
      "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": "Contents",
          "fact": null
        },
        {
          "column": "Replacement use",
          "fact": {
            "field": "Purpose",
            "value": "They can be kept as spares or used to replace worn parts.",
            "stated_as": "They are perfect to keep on hand as spares or replacements for worn parts",
            "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": "Provides replacement parts for the pumping mechanism.",
      "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": "Contents",
          "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": "Replacement use",
          "fact": {
            "field": "Purpose",
            "value": "Provides replacement parts for the pumping mechanism.",
            "stated_as": "provides essential replacement parts for the pumping mechanism",
            "source_type": "listing",
            "source_url": "https://anb-baby.myshopify.com/products.json",
            "source_read_at": "2026-09-23T19:03:51.372Z"
          }
        }
      ]
    }
  ]
}