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For that extra layer of protection, insert the PM 2.5 filter into your mask pocket. The PM 2.5 filter adds five-layer protection to your face mask. It is recommended to replace your filter after 7 consecutive days of wear. Due to sanitary reasons, there are no refunds or exchanges on filters. Package includes 4 filters only (mask not included)
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🇺🇸 Ship from USA · On Agora since 2025
$10.00