Looks like they should run on kerosene and liquid O2, freaking rocket motors. I love how the seller doesn't even know for sure what they are or how they work and they are selling 2 for 500 bucks. Id give them 30 dollars a piece for them
__________________ "Thru the darkness of Future Past
the magician longs to see one chants out between two worlds Fire - walk with me."
They look like standard high pressure propane burners. Useful for heating sparge water, but they will caramelize wort instantly. I use one for burning blackberry canes and it will use a 20 lb tank in under an hour.
Remember one unassailable statistic, as explained by the late, great George Carlin: "Just think of how stupid the average person is, and then realize half of them are even stupider!"
"I would like to die on Mars, just not on impact." Elon Musk