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ArkanExplorer
on July 3, 2021
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Mouse lungs after long-term exposure to atmosphere...
CO2 and PM2.5 require different sensors, so buyers need to be very cautious that their model explicitly includes both, and states CO2 as a ppm value.
Costs are about $70. They're also available on AliExpress.
Consider applying for YC's Spring batch! Applications are open till Feb 11.
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Costs are about $70. They're also available on AliExpress.