OM-90 Czech gas mask with filter 

Size: 2 Medium adult

Includes a 40mm Czech filter (in a sealed packaging)

The gas mask was manufacture in the late 90's or early 2000's.

Facepiece made of bromobutyl rubber

Dual filter port design (left/right side)

2 circular lenses (forward looking)

Features a drinking tube system and a center primary voice emitter

Textile 5 point head harness

Inner rubber seal