What is the difference between АКО-90P-01, АКО-90P-02 and АКО-90P Premium?

АКО-90P is all-stainless steel and has a hot plate divided in two parts: smooth and ribbed.

АКО-90P-01 and АКО-90P-02 have painted feet. АКО-90P-01 has a smooth hot plate and АКО-90P-02 – a hot plate divided in two parts: smooth and ribbed.