Purifier Tests

ओह! यह पोस्ट हिन्दी में उपलब्ध नही हैं।अंग्रेजी संस्करण के हेतु यहाँ क्लिक करे l

 

The Sqair air purifier Kickstarter

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Dan

Hi, how you can check that the air was cleaned with the DIY purifier? Is there any way beside having the 200$+ particle counter? Are there any tests available for air purifiers particle counters? Thanks