Add some sensation to you Gas Mask play with a Gas Mask Filter
Easily fitting a GP5 Russian gas mask, MC1 Polish gas mask, and gas mask tube, this brand new gas mask filter follows the NATO 40mm standard and boasts a 40mm thread.
Its compact size and air-tight seal make it a reliable and essential addition to your gas mask gear.
Depth may vary from image shown.
Brand: M&K.
Colour: Black.
Size: Thread Size 40mm.
Waterproof: Yes.