{"schemaVersion":"ready-scan.discovery-surface.v1","id":"urn:readyscan:corpus:buyer-question:greenwave-china-q136838293-answer-099c8ce9db85f4425109","key":"buyer_question:greenwave-china-q136838293-answer-099c8ce9db85f4425109","kind":"buyer_question","slug":"greenwave-china-q136838293-answer-099c8ce9db85f4425109","canonicalUrl":"https://directory.readyscan.ai/corpus/buyer-question/greenwave-china-q136838293-answer-099c8ce9db85f4425109","machineUrl":"https://directory.readyscan.ai/discovery/corpus/buyer-question/greenwave-china-q136838293-answer-099c8ce9db85f4425109.json","datePublished":"2026-10-22","dateModified":"2026-10-22","materialFingerprint":"fnv1a64:ebb366540300acd3","membershipFingerprint":"fnv1a64:1d49e62b9fd839de","relatedEntitySlugs":["greenwave-china-q136838293"],"relatedSurfaceKeys":["buyer_question:greenwave-china-q136838293-answer-e0c20d1287f1ed1735f6","evidence:greenwave-china-q136838293"],"sourceIds":["ready-scan-subjects"],"provenance":[{"snapshotId":"greenwave-china-q136838293-content-126a0dc485e76bf0-snapshot","sourceId":"ready-scan-subjects","sourceRecordId":"Q136838293","sourceRevisionId":"Q136838293:content:24ff07ccd8f5fe47","sourceContentHash":"fnv1a64:93f61083d49c53b1","recordRevisionId":"Q136838293:content:24ff07ccd8f5fe47","recordContentHash":"fnv1a64:19ce2e4b09439cf6","sourceCanonicalUrl":"https://www.greenwavechina.cn/","sourceModifiedAt":"2026-10-22T11:59:21.936Z","observedOn":"2026-10-22","permission":{"basis":"public_information","evidenceUrl":"https://www.greenwavechina.cn/"},"attributionUrl":"https://www.greenwavechina.cn/"}],"quality":{"method":"same_kind_unique_trigram_floor","minimumUniqueTrigramRatio":0.3,"status":"passed"},"title":"Do I need a whole-house filter or just an under-sink purifier?","summary":"Cited source answers across 1 active corpus record.","question":"Do I need a whole-house filter or just an under-sink purifier?","answers":[{"entitySlug":"greenwave-china-q136838293","entityName":"Greenwave China","answer":"“For most rented apartments in Shanghai, an under-sink purifier is usually enough for drinking and cooking water. Whole-house filters are recommended if you own the property and want to improve water for showers, laundry and appliances as well.”","sourceUrls":["https://www.greenwavechina.cn/en/products-navigation/"]}]}