"Use with Ace No. 8007866, high pressure regulator w/adaptor and 3 hose"
Those puppies will toast your wort and eat propane like a [ ]. But, there is no better way to heat lots of sparge water fast.
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