Top Air Purifiers in Shanghai Consumer Protection Bureau 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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DS

Wouldn’t a more relevant test for most users be PM reduction per dB of noise? I have never seen this metric used for some reason.