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RE: PurTrek - The climbing pole can purify bacteria-free water
It's no doubt a clever concept and might work great. I haven't test such products yet but they caught my eye as an interesting evolution in gear. The price is around $100 and to me it seems like a fair price for a potentially solid product.
It's the same thing when I found this product, they have a great idea about this product.
By the way, thank you for your good feedback @bbomber