Brownells has a summer sale going on. Part of that sale are these M2A1 Ammo Cans for $15.99. Manufactured to US DoD Specs these are stackable, include and integrated lid. The lid has a a rubber gasket that seals out dirt moisture. You could use these for around the brewery storage.
Update: Keg Connection uses a similar container to fit a portable kegging setup in.
Compare Here (Similar – Not identical)
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