[KongchangAI]
Unverified75% confidenceDecision RuleTime unknown

标称过滤效率需认准第三方检测(如按GB/T或EN779测试条件),部分产品用0.3μm以上大颗粒测试虚标高效率,应看是否明确标注PM2.5(0.3-2.5μm)截留数据

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