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PM2.5 5 Layer Activated Carbon Face Mask Filter insert - 5 Layers - Approximately 5" x 3" in size - 20% Activated Carbon / 30% Melt Blown / 50% Non-Woven * Filters usually last 1-7 days depending on how long & often used. * Disregard when and if sticky sediment stains emerge, replace filter.
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🇺🇸 Ship from USA · On Agora since 2026
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