The 3S Nano Mask has 3 layers with an internal filter and is a washable non-medical mask providing comfort and superior design.
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- Passed Canadian testing.
- Suitable for ordinary daily protective masks for civilian use, non-medical.
- The outer layer is washable, anti-wrinkle, easy to maintain featuring Ruco-Guard C6 from Germany repels water, oil, and soiling.
- The filter layer uses a high-strength ePTFE microporous film composite material, and uses its high-filtering and low-resistance physical structure to filter fine particles in the air, which has a more stable filtration efficiency.
- The inner layer is made of soft non-woven fabric, which is skin-friendly and comfortable.100% cotton with antibacterial Silvadur by Dupont.
- According to the professional test report, no formaldehyde was detected in the outer and inner layers of the mask, which is environmentally friendly.
- Three-dimensional cutting, retaining a large cavity, fitting the facial curve, suitable for a variety of face shapes.
- Soft and elastic adjustment buckle no tightness on the ears.
- Individually sealed packaging which is clean and hygienic
- According to the standard in GB 2626-2006 6.3, the required filtration efficiency is ≥95%.
Unlike the disposeable masks though, 3S masks are washable. Thanks to 3D cutting, the masks also come in multiple sizes and the edges can properly seal around the nose and mouth. The design fits both kids as young as two years old all the way up to seniors.