Where I can find this models? Garrysmod.org doesn’t help me
The model in the second picture is from here:
I’m not sure where the other one is though.
Its the cod4 Gasmask what the sas use, I’ve seen it been used on quite a few models, there may be a prop of it somewhere, but one particular model what has it is http://www.facepunch.com/threads/610380-Kaffi-s-Hexed-PMC-Models (its in the body-groups by the way.)
The server most likely uses PAC to apply the gasmasks
In the riot police pack there is a gasmask prop