This MicroSD card is compatible with PurpleAir monitors that support local data storage, including the Classic-SD, Flex, and Zen models. With ample storage capacity, this card can hold over two years' worth of air quality data under normal usage. For best results, we recommend periodically checking to ensure data is being recorded properl
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It works
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Levi · July 23, 2026
Where does it go?
Couldn’t find any instructions or pictures that showed were to install it or even why i needed it?
