Koltsov CFS numbers: how to read the catalog and not confuse models | Blog | PKSOVA

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Koltsov CFS numbers: how to read the catalog and not confuse models

  • PKSOVA
  • 05 Aug, 2026
  • 279 views

In searches they often ask “FCS No.... what is it”. The number is a model label in the manufacturer’s catalog, and not a “strength” or a medical code.

Important: the material is for informational purposes only. Koltsov's CFS is a personal practice tool and does not replace a doctor's consultation.

Number vs series

Comparison of series: brief overview.

How to choose the right number by number

  1. First the task (sleep, space, water, load).
  2. Then 2-3 cards with a similar description.
  3. Only then compare the price and format.

Algorithm: how to choose a CFS series. Examples of analysis: CFS No. 20, application.

Where to look for current models

All issues and series are collected in the PKSOVA store. Before ordering, check the original: authenticity check.