Product Series：special industry Protective antibacterial mask
Standard: GB/T 32610-2016
1. Multiple-effect deflector valve: Reduce to buildup heat and moisture. Reduce expiratory resistance. No fog on glasses.
2. Human engineering airfoil shape nose pads: Effectively prevent fog go upwelling and blurring the glasses, more comfortable to wear.
3. Ear loop in cotton with elastic: Adjustable elastic, fine welding technology.
Usable time: (recommend) Slightly pollution — 40hrs, middle level pollution—32hrs,
heavy pollution—20hrs, serious pollution —- 8hrs.
Storage: Stored in cool, dry and ventilated locations
Storage temperature: -20-30℃
Storage time: 3 years