1. Ua raws li EN14683: 2005, HOM IIR thiab FDA510K.2. Logo tuaj yeem muaj npe ntawm lub qhov ncauj qhov ntswg los ntawm kub stamping.3. Dhau CE / ISO13485. Ua tsis taus pa (Delta P) < 5.0
1.Ib leeg-Siv 2.Tsis muaj iav FIBRES3.HYPOALLERGENIC