Soviet PBF Respirator

Soviet/Russian PBF respirator, An interesting M17 clone, it uses a different filter shape than the standard clones and is generally lighter, rather than using straps it has a hood design similar to other latex Soviet masks.
It is still used by many Eastern European police forces as a riot control mask.

Soviet PMG respirator

The PMG was developed by the Soviets to utilize a lightweight combat effective mask, similar to the Nato masks. It has a skull faced design and was used by Valve in HL2 as the basis for the Metrocop mask.