All StyleSEAL filters are lab-tested at Nelson Labs, Salt Lake City, USA in compliance with US-FDA regulations 21 CFR Parts 210, 211 and 280 at a particle size down to 0.3 microns.
Use the Air Quality Index (AQI) to choose your filter
- Use the AirVisual app or the WAQI website to check the pollution level (AQI) in your area
- Choose a filter that matches the color of the AQI (e.g. if the AQI is orange, choose the 90-ORANGE or 90+CARBON filter)