Beautiful and Intelligent

LA500 Series Air Purifier

LA502 LA503 LA503T LA502C

Exquisite, Minimalist Design

LA300 Series Air Purifier

LA352 LA333 LA333T LA313VT LA352C

Comfortable Respiration Unmatchable Protection

LIFAair  LM99 High performance protective mask

New age of mask technology  - Be Protected

LIFAair LM99 Classification

Reaches easily the GB A-level protection

GB/T 32610-2016《Daily protective mask technical specifications》

   Protection level

Class A

   Filtration efficiency

Filtration efficiency 98 % according to standard test

EZ Breathing • Easier Exhaling

The unique design of one-way exhaling valve reduces dramatically exhaling resistance
Improved comfortability

  National standard    LIFAair

Inhale resistance ≤ 75Pa (standard requirements ≤ 175Pa)
Exhale resistance ≤ 25Pa (standard requirements ≤ 145Pa)
Both inhale and exhale resistance are significantly above the requirements

ComFitable • Professional

Designed following facial bone anatomy

Fits to Your face comfortably

Convenient Sealing

Soft cloth fits comfortable and prevents leakages
Everyday comfort with smooth finishing

Nasal supporting structure

Fits firmly with adjustable tip
Can be used with glasses without fogging

ProTechtive •  Protection

Quadruple filtration, with efficiency greater than 98%

How to wear

Unfold the mask Pull the loops over ears Pull the strap's to adjust Loosen the upper strap Adjust until the mask fits comfortably

Recommended time for wearing masks in extreme conditions

Air quality
index AQI
Air quality rating Wear time
(Accrual calculations)
0-50 Good
51-100 Moderate
101-150 Unhealthy for sensitive groups 40 hours
151-200 Unhealthy 32 hours
201-300 Very unhealthy 20 hours
>300 Hazardous 8 hours