There are no machines in Japan that distribute CDS through air conditioners

Photo by Raychan on Unsplash

You have sent us a tweet which criticises the fact that while here we are still debating the usefulness of CDS, “in Japan there are already vending machines” that “inject chlorine dioxide through air conditioners”. This is FALSE. There are no vending machines in Japan that inject chlorine dioxide, but air conditioning systems that use this compound to purify the air.

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