1. Gwirizanani ndi EN14683: 2005, TYPE IIR ndi FDA510K.2. Logo akhoza kulembedwa pa masks ndi otentha stamping.3. Kudutsa CE/ISO13485. Kukaniza Kupuma (Delta P) <5.0
1.KUGWIRITSA NTCHITO KUMODZI2.POpanda GLASS FIBRES3.HYPOALLERGENIC