The Russian (Full Size) non polycarbonate tank?

[Flush1]

Does anyone know where to get good quality PMM or Polypropelene tank sections for full size russians? I am not a fan of the steel tank and want to avoid cracking the tank. I rarely use any tank cracker juices but you sometimes never know. Unfortunately google always thinks im looking for russian military tanks...lol

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[State O' Flux]

O-ring sealed glass conversions yes... but no threaded polypropylene.

Everything seems to be polycarbonate except... this may be the only Kayfun/Russian PMMA tank I've ever seen - not in person mind you, just remembered that FT had it, so no idea on quality.