20pcs Three-layer Disposable Medical Face Mask

Every day
The number of COVID-19 patients is increasing alarmingly
This is a battle to be fought by all mankind
We should always believe we will win the battle
and should never give up
So we need to protect ourselves and keep safe
BRI disposable face mask
protects our health with high quality
BRI is who winning the double white list by the Chinese Ministry of Commerce.(Medical No.1080,non-medical No.223) 
and entered the white list of NMPA
has obtained medical device manufacturing license and registration certificates

BRI non-sterile disposable surgical mask 
has passed China’s YY/T0969：2013 Single-use Medical Face Mask
and EU’s EN14683
and been registered by EU.
The materials of this mask meet the cytotoxicity, irritation and sensitization
test requirements of biological evaluation of medical devices
Authoritative department proves after strict test:
Its NaC1 particle filtration efficiency is higher than 95%,
Its air exchange resistance is lower than 49Pa
It gives no sense of stuffiness
Its straps are comfortable and do not break even subject to a pull of 10N
Excellent flame retardation, with flame burn duration less than 5s

BRI disposable face mask contains no latex and fiberglass
and does not cause skin allergy
Its fabrics are soft and comfortable, able to fit over skin closely.
3-layer composite structure for scientific protection
Non-woven fabrics on the outside able to prevent droplet infection
Non-woven fabrics on the inside able to absorb moisture
Melt-blown fabric filtering layer in the middle
Due to its diffusion deposition, interception deposition
inertial deposition and electrostatic precipitation
the filtration efficiency can be up to 98%
Within the range between -20℃ and 30℃,
it can be used normally, protecting wearers’ health throughout the year
We need to be brave and rational in face of the epidemic

Please choose BRI disposable face mask 
as its protects our health with its high quality