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DM103B Temperature Humidity Dust PM2.5 Air Quality Detector

$38.64
1. Material: ABS2. Display mode: digital tube display3. Atmospheric pressure: 86Kpa – 106Kpa4. Detection method of PM: laser scattering5. Sampling
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DM73B WiFi Smart Carbon Dioxide Formaldehyde Dust Detector With Time Record

$86.80
1. Material: ABS2. Power supply: rechargeable lithium battery 3000mah3. Save with history4. Near the warning line buzzer alarm on/off5. Temperature
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Formaldehyde TVOC Detector PM2.5 Dust Tester

$85.69
1. Material: ABS2. Display mode: 2.8-inch LCD screen display, 320×240 pixels3. Atmospheric pressure: 86Kpa – 106Kpa4. Detection method of PM:
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