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months and older.","original_value":"Level 1 (0 Months+)","confidence":0.9,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:quick:source:3:guide:artefact:e3e9c34a2ecc149ab907bef7d4c040b73459ca0c2d200b50b09621e1d6545587","start":3084,"end":3103,"summary_id":null,"excerpt_id":null,"span_sha256":"6617c95153eacffa85bc401097ad84ae921748f57fdf82b3bb165ebb44a477fe","source_locator":"characters 3084 to 3103 of the retained text"}},{"id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:pack:2:drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:quick:source:4:manual:fact:1","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:quick:source:4:manual","field":"assembled cap","ordinal":1,"value_number":null,"unit":null,"value_text":"The cap is placed on the bottle when the bottle is not in use.","original_value":"Place the cap on the bottle when not in use.","confidence":0.9,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:quick:source:4:manual:artefact:471ccbe674bc87867eb48f5b30ba6151b7b42039d6d620c97bfcc79d13edaf73","start":427,"end":471,"summary_id":null,"excerpt_id":null,"span_sha256":"1bf39c0e8287df0a8ed941539e7d79b9f67c656e1ff6fc7992f9ab76ecadf3be","source_locator":"characters 427 to 471 of the retained 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have.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:pack:2:drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:quick:source:5:review:summary:1","excerpt_id":null,"span_sha256":"fe70ded638db8f34f325b1841de64dd8c9cfcfa6314ad953750fa88ac701dad8","source_locator":null}},{"id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:pack:2:drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:quick:source:1:guide:fact:2","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:quick:source:1:guide","field":"nipple shape","ordinal":2,"value_number":null,"unit":null,"value_text":"The breast-like nipple shape is intended to encourage a proper latch and a consistent flow so babies feed at their own pace.","original_value":"Breast-like nipple shape encourages a proper latch and provides a consistent flow so babies feed at their own pace","confidence":0.9,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:quick:source:1:guide:artefact:8ffd2075c3377a3823295b6335d658e2149ee143ba822dfb70333cce9a161d1f","start":861,"end":975,"summary_id":null,"excerpt_id":null,"span_sha256":"a7534a4b2e74b858da07777e3a7583d9c7af089e6cd6c2d05eef48e0ad7f7a95","source_locator":"characters 861 to 975 of the retained 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is carried around.","original_value":"Use travel disk when in transit.","confidence":0.9,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:quick:source:4:manual:artefact:471ccbe674bc87867eb48f5b30ba6151b7b42039d6d620c97bfcc79d13edaf73","start":475,"end":507,"summary_id":null,"excerpt_id":null,"span_sha256":"27b41438ca7e8de2d0116d6c9e4ae87526b88fd9651dc285e483971e476637a3","source_locator":"characters 475 to 507 of the retained text"}},{"id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:pack:2:drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:quick:source:5:review:fact:2","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:quick:source:5:review","field":"gas and spit-up","ordinal":2,"value_number":null,"unit":null,"value_text":"Parents report less gas, spit-up and fussiness with these bottles, with several saying the difference was noticeable compared with other bottles.","original_value":"Parents report less gas, spit-up and fussiness with these bottles, with several saying the difference was noticeable compared with other bottles.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:pack:2:drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:quick:source:5:review:summary:2","excerpt_id":null,"span_sha256":"054262460910063667f6100b154b42044ddb0ab5785738dd05588f599168fc97","source_locator":null}},{"id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:pack:2:drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:quick:source:1:guide:fact:3","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:quick:source:1:guide","field":"hospital use","ordinal":3,"value_number":null,"unit":null,"value_text":"Used in hospitals and NICUs.","original_value":"Used in hospitals and NICUs","confidence":0.85,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:quick:source:1:guide:artefact:8ffd2075c3377a3823295b6335d658e2149ee143ba822dfb70333cce9a161d1f","start":976,"end":1003,"summary_id":null,"excerpt_id":null,"span_sha256":"5520e6f031cfa3e73ed4956b4dee4dff7a5a67f00d9c660f0207f4db7064017c","source_locator":"characters 976 to 1003 of the retained text"}},{"id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:pack:2:drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:quick:source:3:guide:fact:3","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:quick:source:3:guide","field":"flow consistency","ordinal":3,"value_number":null,"unit":null,"value_text":"Each teat is engineered so flow rates do not change between teats of the same level.","original_value":"Each Dr. Brown’s Bottle Teat is uniquely engineered so that flow rates don’t change between same-level teats.","confidence":0.85,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:quick:source:3:guide:artefact:e3e9c34a2ecc149ab907bef7d4c040b73459ca0c2d200b50b09621e1d6545587","start":1613,"end":1722,"summary_id":null,"excerpt_id":null,"span_sha256":"7025d77fca17127d789c41eee1dc5f699509dd4a6638b7338a7ff4eb3e3cb7bc","source_locator":"characters 1613 to 1722 of the retained 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minutes.","confidence":0.9,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:quick:source:4:manual:artefact:471ccbe674bc87867eb48f5b30ba6151b7b42039d6d620c97bfcc79d13edaf73","start":891,"end":957,"summary_id":null,"excerpt_id":null,"span_sha256":"82c18a66a6b0320477a4dda0564250a4d7f438fbc4361718b9784e477e7a2756","source_locator":"characters 891 to 957 of the retained text"}},{"id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:pack:2:drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:quick:source:5:review:fact:3","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:quick:source:5:review","field":"cleaning burden","ordinal":3,"value_number":null,"unit":null,"value_text":"The biggest reported drawback is cleaning: the venting system is made of several parts, some very small, so washing takes real time.","original_value":"The biggest reported drawback is cleaning: the venting system is made of several parts, some very small, so washing takes real time.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:pack:2:drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:quick:source:5:review:summary:3","excerpt_id":null,"span_sha256":"49e3c3f2e9dd6b7bb6f97370ef421c9b51013c72f3f2c7626cccf55667bafdb0","source_locator":null}},{"id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:pack:2:drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:quick:source:1:guide:fact:4","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:quick:source:1:guide","field":"nipple material","ordinal":4,"value_number":null,"unit":null,"value_text":"The nipple is silicone and works with the vent system to give vacuum-free feeding and a consistent flow rate without swallowing excess air.","original_value":"The silicone nipple and vent system work together to provide vacuum-free feeding and a consistent flow rate so babies can feed at their own pace without swallowing excess air.","confidence":0.9,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:quick:source:1:guide:artefact:8ffd2075c3377a3823295b6335d658e2149ee143ba822dfb70333cce9a161d1f","start":1757,"end":1932,"summary_id":null,"excerpt_id":null,"span_sha256":"05017ea28bdb73018d808b44f5aab6f17f29cad79511e23e34361ccddc3e73a5","source_locator":"characters 1757 to 1932 of the retained 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them.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:pack:2:drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:quick:source:5:review:summary:4","excerpt_id":null,"span_sha256":"f01185c8af2a5fc502fff90009476eb54c8e2695f809d49f8dccfdab20fe269e","source_locator":null}},{"id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:pack:2:drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:quick:source:1:guide:fact:5","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:quick:source:1:guide","field":"vent system removal","ordinal":5,"value_number":null,"unit":null,"value_text":"The bottle works best with the internal vent system fitted but the vent can be removed as the baby's feeding develops, with no need to change bottle.","original_value":"The bottle works best with the internal vent system in place but can be removed as baby's feeding develops – no need to introduce a different bottle.","confidence":0.9,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:quick:source:1:guide:artefact:8ffd2075c3377a3823295b6335d658e2149ee143ba822dfb70333cce9a161d1f","start":2320,"end":2469,"summary_id":null,"excerpt_id":null,"span_sha256":"ab8bfa85d0fe3e719544d93ac3b5ee4722304b82471fbfb7ae75dc4983e5d46c","source_locator":"characters 2320 to 2469 of the retained 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It is not retried under another identity. It is never retried in a browser.","recorded_at":"2026-10-11T18:24:40.235Z"},{"id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:pack:2:gap:review:1","source_type":"review","url":"https://www.reddit.com/r/NewParents/comments/1dj3vy3/i_figured_out_why_my_dr_browns_bottles_keep/","reason":"not read","detail":"Reddit's public .json view of the thread: The server refused RoboTrunk's named fetcher (HTTP 403). It is not retried under another identity. It is never retried in a browser.","recorded_at":"2026-10-11T18:24:40.235Z"},{"id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:pack:2:gap:review:2","source_type":"review","url":"https://www.reddit.com/r/HumansPumpingMilk/comments/s334d8","reason":"not read","detail":"Reddit's public .json view of the thread: The server refused RoboTrunk's named fetcher (HTTP 403). It is not retried under another identity. It is never retried in a browser.","recorded_at":"2026-10-11T18:24:40.235Z"},{"id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:pack:2:gap:review:3","source_type":"review","url":"https://www.reddit.com/r/NewParents/comments/1cenrb0/help_we_need_alternatives_to_dr_browns_bottles/","reason":"not read","detail":"Reddit's public .json view of the thread: The server refused RoboTrunk's named fetcher (HTTP 403). It is not retried under another identity. It is never retried in a browser.","recorded_at":"2026-10-11T18:24:40.235Z"},{"id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:pack:2:gap:review:4","source_type":"review","url":"https://www.reddit.com/r/FormulaFeeders/comments/17gmja8","reason":"not read","detail":"Reddit's public .json view of the thread: The server refused RoboTrunk's named fetcher (HTTP 403). It is not retried under another identity. It is never retried in a browser.","recorded_at":"2026-10-11T18:24:40.235Z"},{"id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:pack:2:gap:review:5","source_type":"review","url":"https://www.reddit.com/r/ExclusivelyPumping/comments/1790h3i","reason":"not read","detail":"Reddit's public .json view of the thread: The server refused RoboTrunk's named fetcher (HTTP 403). It is not retried under another identity. It is never retried in a browser.","recorded_at":"2026-10-11T18:24:40.235Z"},{"id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:pack:2:gap:review:6","source_type":"review","url":"https://www.reddit.com/r/ExclusivelyPumping/comments/163vfwk/im_so_frustrated_at_dr_brown_bottles_they_keep/","reason":"not read","detail":"Reddit's public .json view of the thread: The server refused RoboTrunk's named fetcher (HTTP 403). It is not retried under another identity. It is never retried in a browser.","recorded_at":"2026-10-11T18:24:40.235Z"},{"id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:pack:2:gap:review:7","source_type":"review","url":"https://www.reddit.com/r/NewParents/comments/1e1hwjb/dr_browns_bottles_leak_so_much/","reason":"not read","detail":"Reddit's public .json view of the thread: The server refused RoboTrunk's named fetcher (HTTP 403). It is not retried under another identity. It is never retried in a browser.","recorded_at":"2026-10-11T18:24:40.235Z"},{"id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:pack:2:gap:review:8","source_type":"review","url":"https://slickdeals.net/f/16613882-4-oz-dr-brown-s-natural-flow-anti-colic-options-narrow-baby-bottle-3-91-free-ship-w-prime","reason":"not read","detail":"The server refused RoboTrunk's named fetcher (HTTP 403). It is not retried under another identity.","recorded_at":"2026-10-11T18:24:40.235Z"},{"id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack:pack:2:gap:review:9","source_type":"review","url":"https://drbrownsbaby.com/products/dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-squirrel-goat-2-pack?bvstate=pg%3A4%2Fct%3Ar","reason":"not used","detail":"read in full; the writer drew no finding or fact from it, so it is not kept in the pack","recorded_at":"2026-10-11T18:24:40.235Z"}],"facet_check":null,"evidence_depth":{"note":"Deep read: the store's own data and 7 outside pages (the store's own product page; maker page; manual; review; regulator recall search (CPSC (United States)); regulator recall search (Health Canada)), each read in full by RoboTrunk and trimmed to its main content, then written up and checked. Facts from the maker or a manual quote the page word for word; what real users report is summarised with a link to the page read. Recall status was checked directly with CPSC (United States), Health Canada: The CPSC search returned one record but it was an error message with no product, hazard or recall details, so no US recall was found for this bottle. The Health Canada data lists one Dr. Brown's recall, for Dr. Brown's Lovey Pacifier & Teether Holders over a choking hazard (last updated 2018-03-15), which is a different product and does not apply here. Still open, with no evidence found: What does one empty bottle weigh?; What are the bottle's exact height and diameter?; Which flow-level teat should a baby move to next?; Is the bottle safe to use in a bottle warmer?; Which plastics is the bottle made from?; Does the bottle carry a warranty, and for how long?; Which safety standard or certification has this bottle been tested to?; Does the nipple or vent system contain latex?; Are replacement nipples and vent parts sold separately?; Can the bottle be warmed in a microwave?; In which country is the bottle manufactured?; Is the narrow teat compatible with Dr. Brown's wide-neck bottles?.","tier":"complex","depth":"trimmed_read","model":"deepseek-flash","recall":{"note":"The CPSC search returned one record but it was an error message with no product, hazard or recall details, so no US recall was found for this bottle. The Health Canada data lists one Dr. Brown's recall, for Dr. Brown's Lovey Pacifier & Teether Holders over a choking hazard (last updated 2018-03-15), which is a different product and does not apply here.","status":"no_recall_found","regulators_asked":["CPSC (United States)","Health Canada"]},"sources":[{"url":"https://4f71f1-4.myshopify.com/products.json","role":"the store's own data","retained":true},{"url":"https://4f71f1-4.myshopify.com/products/dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack","role":"the store's own product page","retained":true},{"url":"https://drbrownsbaby.com/products/dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-bear-owl-2-pack?bvstate=pg%3A3%2Fct%3Ar","role":"maker page","retained":true},{"url":"https://www.drbrowns.com.au/products/dr-browns-options-anti-colic-bottle-narrow-neck-with-level-1-teat-250ml-2-pack-bear-owl","role":"maker page","retained":true},{"url":"https://cdn.productreview.com.au/document/entry-product-manual/4f254869-c238-5dbd-821c-2f21f2424743","role":"manual","retained":true},{"url":"https://www.babylist.com/hello-baby/best-baby-bottles","role":"review","retained":true},{"url":"https://www.saferproducts.gov/RestWebServices/Recall?format=json&Manufacturer=Dr.%20Brown's","role":"regulator recall search (CPSC (United States))","retained":true},{"url":"https://recalls-rappels.canada.ca/sites/default/files/opendata-donneesouvertes/HCRSAMOpenData.json","role":"regulator recall search (Health Canada)","retained":true},{"url":"https://drbrownsbaby.com/products/dr-browns-natural-flow-anti-colic-options-narrow-baby-bottle-8oz-250ml-squirrel-goat-2-pack?bvstate=pg%3A4%2Fct%3Ar","role":"review","retained":false}],"reasoning":"low","embeddings":"skipped in the deep lane: no embedding call is made here","searched_for":["maker_page","manual","recall_notices","owner_reviews","blogs","forums","video_reviews"],"open_questions":["What does one empty bottle weigh?","What are the bottle's exact height and diameter?","Which flow-level teat should a baby move to next?","Is the bottle safe to use in a bottle warmer?","Which plastics is the bottle made from?","Does the bottle carry a warranty, and for how long?","Which safety standard or certification has this bottle been tested to?","Does the nipple or vent system contain latex?","Are replacement nipples and vent parts sold separately?","Can the bottle be warmed in a microwave?","In which country is the bottle manufactured?","Is the narrow teat compatible with Dr. Brown's wide-neck bottles?"]}}