Aduro High Altitude Breathing Training Mask

Aduro High Altitude Breathing Training Mask

The same price as the manufacturer, Aduro, is selling on eBay: ( plus free shipping.

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Won’t this give you carbon dioxide poisoning? Because increased endurance is great but some moron i never met said that on Facebook and everybody on Facebook is honest and would never lie to spread some stupid conspiracy nonsense! Right?

I think I saw these make a few appearances on that Netflix show The Rain.

No, I think you have it wrong – all masks poison you by causing you to rebreathe your own carbon monoxide, a terribly deadly gas. They also attract those G5 Covid rays. And if the chemtrails are out that day, death is assured.

Looks like a face jockstrap.