Third Party Verification Claim

Page 3 of 4
GUANGDONG DETECTION CENTER OF MICROBIOLOGY
ANALYSIS AND TEST RESULT
Report №.: 2021FM20219R01Ea
Action time
Test organism
Serial
Number
Total bacteria
（cfu/m
3
）
Reduced rate
(%)
0（CK）
Natural bacteria in air
1
2.4×10
3
2
2.0×10
3
3
2.7×10
3
2 h
Natural bacteria in air
1
85
96.46
2
49
97.55
3
1.1×10
2
95.93
(blank below)
Remarks
Method description: The sample was connected to 110V voltage (American standard wire) and
ran for 2 hours in a 30m
3
chamber, and then used BY-300 air microorganism sampler to
sampling with air volume of 28.3 liters per minute. The sampling time of air was 5 minutes.