Not cheap. I joke that they are the perfect product for wealthy doomsday preppers who don't want the taste of plastic in their stored water when the Zombie Apocalypse arrives

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I bought mine becasue I like wanted the stainless steel look to match some other upgrades I was planning as part of my vehicle build.
The newer Dinuba jerry cans will have welded seams that are even stronger than the ones I have, but I think the manufacturing process is taking longer than they initially expected.
For my pressurization project, the design is simple. Finding the parts should be straightforward. Drilling through 1/8" stainless steel caps won't be easy, but I learned a lot the first time I did that to install my spigots (after melting a few drill bits). Of course, now Dinuba sells the spigot caps as an optional upgrade.
I plan to use a ratchet strap to prevent the can from bulging when I pressurize it, keeping the seams aligned. So hopefully it's just a matter of collecting the parts and finding a free afternoon to work on this project.