Unverified82% confidenceDecision RuleTime unknown
认准H11级以上HEPA滤网（对0.3微米颗粒过滤≥95%），H13级达99.95%；标注'HEPA型'但无等级的多为静电棉冒充，寿命短且易失效
1
Sources
82%
Confidence
Long-term
Relevance
-
First Seen
Sources
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UnverifiedHEPA滤网等级H13可过滤≥99.95%的0.3微米颗粒，H11为95%，是选购HEPA机型时判断过滤效率的关键参数90% similarUnverifiedHEPA滤网等级H13可过滤0.3微米颗粒物≥99.97%，H11约95%；家用除PM2.5和病毒气溶胶应选H13及以上等级滤网89% similarUnverified空气净化器HEPA滤网认准H13级别（过滤0.3微米颗粒≥99.97%），H11级仅95%，标注'类HEPA'或'HEPA型'的多为营销话术无认证88% similarUnverifiedHEPA滤网等级H13可拦截0.3微米颗粒物达99.97%，H12为99.5%，家用防霾防过敏H13即足够，无需追求H14工业级87% similarUnverifiedHEPA滤网等级H11过滤效率约95%，H12约99.5%，H13达99.95%（可拦截0.3微米颗粒），选购除PM2.5/病毒应认准H13级别，H11不足以有效过滤细菌病毒87% similar
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