Why Proper Positioning of 4Lite Matters
I created a video demonstrating the importance of aligning the middle of 4Lite directly toward your face for optimal effectiveness.
Here’s what the test results showed when the background PM2.5 level was 14 μg/m3:
🧵(1/2)
I created a video demonstrating the importance of aligning the middle of 4Lite directly toward your face for optimal effectiveness.
Here’s what the test results showed when the background PM2.5 level was 14 μg/m3:
🧵(1/2)
Comments
When positioned above or below the middle: 1 μg/m3
When shifted left or right: 2–6 μg/m3
This proves that correct positioning significantly improves performance—so always aim the center of 4Lite toward your face for the best results.
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