商品详情
- BFE or Bacteria filtration efficiency Most of the standards are at 95% (meets the medical surgical mask industry standard). Welcare is the first manufacturer in Thailand to use BFE> 99% standard (Nelson Laboratories, USA).
- PFE or Particle filtration efficiency measured at 0.1 microns, Welcare's filter layer contains PFE > 99%, tested by Nelson Laboratories, USA
- VFE or Viral Filtration Efficiency determines how well the mask can filter virus-containing droplets about 3 microns in size. Welcare Mask can filter 98% of virus-containing droplets it is exposed to.
- Fluid Resistance measures the ability of a mask’s material construction to minimize fluids from traveling through the materials. The higher the fluid resistance, the better the protection.
- The Delta P Flow Rate demonstrates the breathability and air flow through materials. Welcare mask indicates the Delta P of 4mmH2O/cm2. The less of the number, the better the air flow. (Easy to breath)
- Soft Spandex ear straps made of soft spandex with high-flexibility. It helps the wearer feel comfortable and hurtless
- Welcare is the first and only brand that has passed both Nelson Laboratories USA and Thai Industrial Standards (TIS).
Instructions
1. Wash your hand before touching face mask
2. Ensure the Welcare logo faces outwards (Dedicate the front side).
3. Put the mask to cover your nose and chin.
4. Secure the soft spandex ear loop over your ears.
5. Pinch the nose wire to the shape of your nose.
6. Do not touch the mask while using it. If do so, wash your hands.