Brace yourselves: China’s coal season is coming

Every fall, we stock up on a new shipment of these things, and start the cold season with freshly-equipped, cheap D.I.Y. home air purifiers:
Strap-on HEPA filters
Find out how you can pass the winter in China while cheaply shaving less years off your life than you would otherwise:

China Essentials: DIY Air Purifiers

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