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Toyman2,The stove is a Kifaru design: https://www.kifaru.net/stoves2009.html. That stove was designed by Ed Tyanich, who built mine. He built them for Kifaru for 7 years, but doesn't anymore. Ed builds and sells stove on his own when he has time. You can find him on this forum: http://www.24hourcampfire.com/ubbthreads/ubbthreads.php/topics/3238589/Filters_or_drops#Post3238589 as "Ed T." I just picked a thread that I knew he had replied on. If you search the site, you will find that he posts answers to lots of backpack hunting questions. He is a very helpful and knowledgeable guy.