Filtr AČR OF-90 pro plynovou masku OM-90 - PN ARMY SHOP
maska plynová OM90 IA - Armatex s.r.o.
Czech Adult Gas Mask W/ Bag, Filter, & Poncho - Frontier Firearms & Army Surplus
Czech OM90 NBC Gas Mask With Filter Carry Bag and Protective - Etsy.de
Amongst the gear that just arrived my OM-90 awaits unpacking. Does anyone know of the pink thing on the gasket on the second pic? Additionally does anyone know what the thing in