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Display
# ITEM DESCRIPTION
1 Digital display Shows the number of particles ≤ 2.5
micrometer in diameter.
2 (air quality indicator) Indicates the air quality.
• Green—great
•Yellow—okay
•Orange—bad
• Red—hazardous*
*Proceed with caution and relocate to a less
hazardous area and let the purifier run for at
least 15 minutes.
3 (child lock indicator) Lights when the child lock is turned
on.
4 (filter replacement indicator) Blinks when you need to replace the
filter.