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video shows the nipple must be pulled fully through the ring with the small vent mark lined up to the ring's marker; a wobbly nipple means it is not seated.","locators":{"page":"https://www.youtube.com/watch?v=63pk3N4ljBs"}},{"id":"01M5PE0F9KGHNNFK9H4JWNPVS8","source_id":"lovemedobaby-com--philips-avent-natural-glass-bottle-4oz:quick:source:12:review","kind":"review","text":"It advises tightening the ring firmly but not hard, because over-tightening can block the vent and make the nipple collapse or bubble, while a loose ring leaks.","locators":{"page":"https://www.youtube.com/watch?v=63pk3N4ljBs"}},{"id":"01M5PE0FG9A2WA3CTC0KPXJR3B","source_id":"lovemedobaby-com--philips-avent-natural-glass-bottle-4oz:quick:source:12:review","kind":"review","text":"The bottle breaks down into three main pieces plus the cap and the parts are top-rack dishwasher 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travel cap is said not to seal perfectly and drips if milk gets into it, though it is better than nothing.","locators":{"page":"https://www.youtube.com/watch?v=63pk3N4ljBs"}},{"id":"01M5PE0GB8M7ASTE192R25QV0M","source_id":"lovemedobaby-com--philips-avent-natural-glass-bottle-4oz:quick:source:12:review","kind":"review","text":"Parts are interchangeable across Avent sizes and can move up to toddler and sippy cup tops, so the bottles are not outgrown quickly.","locators":{"page":"https://www.youtube.com/watch?v=63pk3N4ljBs"}},{"id":"01M5PE0GHYWFYMG7JTN88B9BTZ","source_id":"lovemedobaby-com--philips-avent-natural-glass-bottle-4oz:quick:source:4:blog","kind":"blog","text":"A parent using the 4 oz version says the glass is thick and a little heavier than plastic, and that the small size makes it easy to carry 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cleaning","confidence":0.85,"citation":{"lineage_tier":"T1","artefact_id":"lovemedobaby-com--philips-avent-natural-glass-bottle-4oz:quick:source:0:listing:artefact:752b024d03e3483487425e8b2cf3cd43676e291c902d903bef9c01e071330fb9","start":1020,"end":1084,"summary_id":null,"excerpt_id":null,"span_sha256":"fc8c6966da89e305a0a76cb2620ddeff3a82ab964f9f6da8eeb7b9d0ecd1a20a","source_locator":"characters 1020 to 1084 of the retained text"}},{"id":"01M5PE0XQJRQSQY7D9VVHGBYJ6","source_id":"lovemedobaby-com--philips-avent-natural-glass-bottle-4oz:quick:source:12:review","field":"feeding transition","ordinal":4,"value_number":null,"unit":null,"value_text":"The Natural nipple is described as wide and very soft silicone, making it easier to switch between breastfeeding and bottle feeding than stiffer nipples.","original_value":"The Natural nipple is described as wide and very soft silicone, making it easier to switch between breastfeeding and bottle feeding than stiffer nipples.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"01M5PE0FXS169XKQYVS60SFK17","excerpt_id":null,"span_sha256":"d4e024b150eefb1e9181dd3d50ecee7e1627f568b07364391986e4dd445084fd","source_locator":null}},{"id":"01M5PE0XYZS57HZ36VR23J66GA","source_id":"lovemedobaby-com--philips-avent-natural-glass-bottle-4oz:quick:source:2:guide","field":"BPA","ordinal":4,"value_number":null,"unit":null,"value_text":"The maker states the product contains 0% BPA under EU regulation 10/2011.","original_value":"0% BPA, following EU regulation 10/2011","confidence":0.9,"citation":{"lineage_tier":"T1","artefact_id":"lovemedobaby-com--philips-avent-natural-glass-bottle-4oz:quick:source:2:guide:artefact:2f04d230ceff1c996f6c1bd885630b2078966e8dbab90391c874752e2def3367","start":3479,"end":3518,"summary_id":null,"excerpt_id":null,"span_sha256":"fd25286cb79b9237cab3ee4201909980ac39a69249b35209a770ea7d0d368703","source_locator":"characters 3479 to 3518 of the retained text"}},{"id":"01M5PE0Y7DKXYFQF6Z4PE0DF09","source_id":"lovemedobaby-com--philips-avent-natural-glass-bottle-4oz:quick:source:4:blog","field":"no protective sleeve","ordinal":4,"value_number":null,"unit":null,"value_text":"The parent notes this bottle has no silicone protective sleeve, unlike some rival glass bottles, and asks for one.","original_value":"The parent notes this bottle has no silicone protective sleeve, unlike some rival glass bottles, and asks for one.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"01M5PE0H65P155S10B0N8GECPP","excerpt_id":null,"span_sha256":"5b4305548a62d55ee4b6f8a19a7ecaa3213dad9f24d08a9c1cd7bcb7ab24bdcb","source_locator":null}},{"id":"01M5PE0YE4RH3ZZTR43H388WEX","source_id":"lovemedobaby-com--philips-avent-natural-glass-bottle-4oz:quick:source:9:review","field":"overall verdict","ordinal":4,"value_number":null,"unit":null,"value_text":"Parents widely rate Avent bottles highly for reducing colic and gas and for being easier to clean than multi-piece rivals, and the site gives the range an A rating.","original_value":"Parents widely rate Avent bottles highly for reducing colic and gas and for being easier to clean than multi-piece rivals, and the site gives the range an A rating.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"01M5PE0N7FFXQHH6DBK9JT7DDB","excerpt_id":null,"span_sha256":"e77028ee0f40ce8d0199aa948c39269d9cef8db8cca0554f406cc1dcc7b1186f","source_locator":null}},{"id":"01M5PE0YNMV4FBDCJP32X7TW0S","source_id":"lovemedobaby-com--philips-avent-natural-glass-bottle-4oz:quick:source:12:review","field":"cap seal","ordinal":5,"value_number":null,"unit":null,"value_text":"The travel cap is said not to seal perfectly and drips if milk gets into it, though it is better than nothing.","original_value":"The travel cap is said not to seal perfectly and drips if milk gets into it, though it is better than nothing.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"01M5PE0G4FAZ3XPGEWTD8T4STR","excerpt_id":null,"span_sha256":"1bcf45c34ddcd67c8b6695363ea5323d33e2e37600cc6b9ed89204959b1fee1a","source_locator":null}},{"id":"01M5PE0YWBJBC5H4HD7AVBJKB7","source_id":"lovemedobaby-com--philips-avent-natural-glass-bottle-4oz:quick:source:2:guide","field":"availability","ordinal":5,"value_number":null,"unit":null,"value_text":"The maker marks this model as discontinued.","original_value":"Discontinued","confidence":0.9,"citation":{"lineage_tier":"T1","artefact_id":"lovemedobaby-com--philips-avent-natural-glass-bottle-4oz:quick:source:2:guide:artefact:2f04d230ceff1c996f6c1bd885630b2078966e8dbab90391c874752e2def3367","start":72,"end":84,"summary_id":null,"excerpt_id":null,"span_sha256":"c095a14ff4c584f4822f1542512f3a028dbd1b76a96865f10b364f03a52f668d","source_locator":"characters 72 to 84 of the retained text"}},{"id":"01M5PE0Z3110GF87ETYMWVQPRR","source_id":"lovemedobaby-com--philips-avent-natural-glass-bottle-4oz:quick:source:4:blog","field":"nipple confusion","ordinal":5,"value_number":null,"unit":null,"value_text":"The wide-neck shape was chosen to avoid nipple confusion when moving from breast to bottle, and the baby accepted it without trouble.","original_value":"The wide-neck shape was chosen to avoid nipple confusion when moving from breast to bottle, and the baby accepted it without trouble.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"01M5PE0HCYBQKPQYYYYYRM41CC","excerpt_id":null,"span_sha256":"4ec894d994a765e099cd2b67a6caab994ee5b556669c6bb802354258e0255898","source_locator":null}},{"id":"01M5PE0Z9QT280X9Y31567A7XB","source_id":"lovemedobaby-com--philips-avent-natural-glass-bottle-4oz:quick:source:12:review","field":"growing with baby","ordinal":6,"value_number":null,"unit":null,"value_text":"The video claims parts are interchangeable across Avent sizes and toddler or sippy tops; the store excludes Classic bottles and cup handles, so the sources disagree on compatibility.","original_value":"Parts are interchangeable across Avent sizes and can move up to toddler and sippy cup tops, so the bottles are not outgrown quickly.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"01M5PE0GB8M7ASTE192R25QV0M","excerpt_id":null,"span_sha256":"9868a6a603efdb435c67c412f8bab965ced0895d57050df8f2ed958ae1f99bd1","source_locator":null}}],"facet_texts":[],"gaps":[{"id":"01M5PE0ZQVT844R5N0K7C9T3PR","source_type":"facets","url":null,"reason":"embeddings skipped in the deep lane","detail":"the deep lane makes no embedding call; this pack has no facet texts and no vectors","recorded_at":"2026-10-24T07:44:40.507Z"},{"id":"01M5PE0ZZA5J1W92NG9TT10Z49","source_type":"manual","url":"https://www.documents.philips.com/assets/20210310/852be31676c14074b7c2ace700a55288.pdf","reason":"not read","detail":"The address no longer exists (HTTP 404).","recorded_at":"2026-10-24T07:44:40.507Z"},{"id":"01M5PE108YW8W4GD45E6RQ3N26","source_type":"review","url":"https://www.reddit.com/r/NewParents/comments/1lo0bmc/are_philips_avent_bottles_nipples_absolute_trash/","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":"2026-10-24T07:44:40.507Z"},{"id":"01M5PE10FT0CDN7EAN89BAFTQA","source_type":"review","url":"https://www.reddit.com/r/moderatelygranolamoms/comments/1dbwoxv","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":"2026-10-24T07:44:40.507Z"},{"id":"01M5PE10PKE8XJ21YJHRZJAE2F","source_type":"review","url":"https://www.reddit.com/r/moderatelygranolamoms/comments/1b0vvuj/what_glass_baby_bottles_do_you_use/","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":"2026-10-24T07:44:40.507Z"},{"id":"01M5PE10XFQZ33R748YT3Z2G3E","source_type":"review","url":"https://www.usa.philips.com/c-p/SCF671_17/avent-natural-bottles-natural-glass-baby-bottle","reason":"quoted fact left out","detail":"Left out: a fact on care quoted from an owner-opinion page; such pages give findings in RoboTrunk's own words only.","recorded_at":"2026-10-24T07:44:40.507Z"}],"facet_check":null,"evidence_depth":{"note":"Deep read: the store's own data and 12 outside pages (the store's own product page; maker page; manual; blog; review; regulator recall search (CPSC (United States)); regulator recall search (Health Canada); video review (derived summary of its captions)), 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 no recall records for Philips AVENT / Natural Glass Bottle 4 oz (SCF671/17). Health Canada holds two Philips Avent records, for a video baby monitor and an ear thermometer, neither of which is this bottle. Still open, with no evidence found: How much does the empty bottle weigh in grams?; What are the bottle's exact height and diameter?; Do the volume markings wear off on this glass version?; Is a silicone protective sleeve made for this bottle?; Can the screw ring and cap be bought as spare parts?; Is it compatible with the Philips Avent Comfort breast pump?; Which flow nipples fit this 4 oz bottle, and up to what age?; Is the glass dishwasher safe on the bottom rack too?; Can it be sterilised by boiling, steam or microwave?; Will it fit other brands' bottle warmers and cup holders?; Is the nipple free of latex and phthalates?; What is the maximum temperature the glass can take?; Does the anti-colic vent need a specific ring position to work?; Is the bottle still covered by warranty now that it is discontinued?.","tier":"complex","depth":"trimmed_read","model":"deepseek-flash","recall":{"note":"The CPSC search returned no recall records for Philips AVENT / Natural Glass Bottle 4 oz (SCF671/17). Health Canada holds two Philips Avent records, for a video baby monitor and an ear thermometer, neither of which is this bottle.","status":"no_recall_found","regulators_asked":["CPSC (United States)","Health Canada"]},"sources":[{"url":"https://love-me-do-baby.myshopify.com/products.json","role":"the store's own data","retained":true},{"url":"https://love-me-do-baby.myshopify.com/products/philips-avent-natural-glass-bottle-4oz","role":"the store's own product page","retained":true},{"url":"https://www.philips.ca/c-p/SCF671_17/avent-natural-bottles-natural-glass-baby-bottle","role":"maker page","retained":true},{"url":"https://www.philips.ca/c-p/SCF671_17/avent-natural-bottles-natural-glass-baby-bottle/support","role":"manual","retained":true},{"url":"https://rainbowbabydarling.blogspot.com/2016/08/glass-milk-bottle.html","role":"blog","retained":true},{"url":"https://www.parentingtogo.ca/bottle-feeding-baby/","role":"blog","retained":true},{"url":"https://www.usa.philips.com/c-p/SCF671_17/avent-natural-bottles-natural-glass-baby-bottle","role":"review","retained":true},{"url":"https://www.philips.com.ph/c-p/SCF671_17/avent-natural-bottles-natural-glass-baby-bottle","role":"review","retained":true},{"url":"https://www.philips.com.au/c-p/SCF671_17/avent-natural-bottles-natural-glass-baby-bottle","role":"review","retained":true},{"url":"https://www.babybargains.com/baby-bottle-review-avent/","role":"review","retained":true},{"url":"https://www.saferproducts.gov/RestWebServices/Recall?format=json&Manufacturer=Philips%20AVENT","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://www.youtube.com/watch?v=63pk3N4ljBs","role":"video review (derived summary of its captions)","retained":true}],"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":["How much does the empty bottle weigh in grams?","What are the bottle's exact height and diameter?","Do the volume markings wear off on this glass version?","Is a silicone protective sleeve made for this bottle?","Can the screw ring and cap be bought as spare parts?","Is it compatible with the Philips Avent Comfort breast pump?","Which flow nipples fit this 4 oz bottle, and up to what age?","Is the glass dishwasher safe on the bottom rack too?","Can it be sterilised by boiling, steam or microwave?","Will it fit other brands' bottle warmers and cup holders?","Is the nipple free of latex and phthalates?","What is the maximum temperature the glass can take?","Does the anti-colic vent need a specific ring position to work?","Is the bottle still covered by warranty now that it is discontinued?"]}}