{
  "schema_version": "compare-page.v2",
  "page_id": "breast-pumps-with-a-closed-system-that-keeps-milk-out-of-the",
  "url": "https://robotrunk.com/compare/want/breast-pumps-with-a-closed-system-that-keeps-milk-out-of-the",
  "title": "Breast pumps with a closed system that keeps milk out of the motor",
  "question": "Which breast pumps have a closed system that keeps milk out of the motor?",
  "answer": "Willow Pump Willow 360® Wearable Breast Pump: The maker says the pump has a patent-pending latch designed to be leak-proof in any position. The store describes the pump as 100% leak-proof, hospital-grade, app-controlled, and supported by 360 Care.\nWillow Pump Willow Sync: The review reports that Sync shares an open, air-vented design that stays sealed only to about a 45-degree lean, so bending over or lying down risks a spill.",
  "kind": "breast pump",
  "market": "US",
  "generated_at": "2026-10-31T07:44:22.308Z",
  "columns": [
    "Leak-proofing",
    "Store description"
  ],
  "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": "p3.f2",
      "product": "Willow Pump Willow 360® Wearable Breast Pump",
      "field": "leak-proofing",
      "value": "The maker says the pump has a patent-pending latch designed to be leak-proof in any position.",
      "stated_as": "The only pump with a patent-pending latch that’s leak-proof in any position.",
      "source_type": "guide",
      "source_url": "https://onewillow.com/products/willow-pump-360",
      "source_read_at": "2026-10-26T00:59:31.829Z"
    },
    {
      "ref": "p3.f8",
      "product": "Willow Pump Willow 360® Wearable Breast Pump",
      "field": "leak-proofing and support",
      "value": "The store describes the pump as 100% leak-proof, hospital-grade, app-controlled, and supported by 360 Care.",
      "stated_as": "100% leak-proof, hospital-grade, app-controlled, and supported by 360 Care.",
      "source_type": "listing",
      "source_url": "https://willowpump.myshopify.com/products.json",
      "source_read_at": "2026-10-25T19:47:42.338Z"
    },
    {
      "ref": "p4.f7",
      "product": "Willow Pump Willow Sync",
      "field": "leak risk",
      "value": "The review reports that Sync shares an open, air-vented design that stays sealed only to about a 45-degree lean, so bending over or lying down risks a spill.",
      "stated_as": "The review reports that Sync shares an open, air-vented design that stays sealed only to about a 45-degree lean, so bending over or lying down risks a spill.",
      "source_type": "review",
      "source_url": "https://highlo.com/articles/willow-pump-worth-it/",
      "source_read_at": "2026-10-26T00:54:56.843Z"
    }
  ],
  "rows": [
    {
      "rank": 1,
      "merchant": {
        "slug": "onewillow-com",
        "display_name": "onewillow.com"
      },
      "product_id": "gid://shopify/Product/7302948618333",
      "name": "Willow Pump Willow 360® Wearable Breast Pump",
      "url": "/products/ucp/onewillow-com/7302948618333",
      "why": "The maker says the pump has a patent-pending latch designed to be leak-proof in any position.",
      "cells": [
        {
          "column": "Leak-proofing",
          "fact": {
            "field": "leak-proofing",
            "value": "The maker says the pump has a patent-pending latch designed to be leak-proof in any position.",
            "stated_as": "The only pump with a patent-pending latch that’s leak-proof in any position.",
            "source_type": "guide",
            "source_url": "https://onewillow.com/products/willow-pump-360",
            "source_read_at": "2026-10-26T00:59:31.829Z"
          }
        },
        {
          "column": "Store description",
          "fact": {
            "field": "leak-proofing and support",
            "value": "The store describes the pump as 100% leak-proof, hospital-grade, app-controlled, and supported by 360 Care.",
            "stated_as": "100% leak-proof, hospital-grade, app-controlled, and supported by 360 Care.",
            "source_type": "listing",
            "source_url": "https://willowpump.myshopify.com/products.json",
            "source_read_at": "2026-10-25T19:47:42.338Z"
          }
        }
      ]
    },
    {
      "rank": 2,
      "merchant": {
        "slug": "onewillow-com",
        "display_name": "onewillow.com"
      },
      "product_id": "gid://shopify/Product/7942046318685",
      "name": "Willow Pump Willow Sync",
      "url": "/products/ucp/onewillow-com/7942046318685",
      "why": "The review reports that Sync shares an open, air-vented design that stays sealed only to about a 45-degree lean, so bending over or lying down risks a spill.",
      "cells": [
        {
          "column": "Leak-proofing",
          "fact": {
            "field": "leak risk",
            "value": "The review reports that Sync shares an open, air-vented design that stays sealed only to about a 45-degree lean, so bending over or lying down risks a spill.",
            "stated_as": "The review reports that Sync shares an open, air-vented design that stays sealed only to about a 45-degree lean, so bending over or lying down risks a spill.",
            "source_type": "review",
            "source_url": "https://highlo.com/articles/willow-pump-worth-it/",
            "source_read_at": "2026-10-26T00:54:56.843Z"
          }
        },
        {
          "column": "Store description",
          "fact": null
        }
      ]
    }
  ]
}