A bit off topic -- I get a kick out of my propane/electric reefer that I got from a buddy who had it in an old RV conversion that he was junking. I keep at my warehouse/shop.

Thing has no moving parts, converts heat into ice, and the noxious chemicals it uses are hydrogen gas and ammonia.

Too bad they're less efficient than compressor type refrigs cause this thing is totally SILENT.

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1986 300SDL, 362K
1984 300D, 138K