The filter layer of 853 mask is made of melt-blown cloth from Germany which is used for in N95 masks. This type of melt-blown cloth is more durable, waterproof and can capture and block more than 95% of particles at any time. The 853 mask is a high-performance mask that effectively blocks particles and bacteria.
Macaufacture Medical Supplies Limited Founded in 2020 by several senior medical professionals, Macaufacture Medical Supplies Limited produces high-quality disposable medical masks. Its mask factory is named "853", which is derived from the area code (00853) that represents Macao’s international telephone code. This is also an easy special number for Macao people to remember.