Scott General Service Respirator

Scott General Service Respirator or GSR, produced under license for the British army and is currently replacing the Avon S10 from service. The GSR takes two clip filters on each side of the mask and has a single visor rather than two lenses. It also contains a drinking tube.

Bulgarian PDE1

Bulgarian PDE1 Respirator. Another Warsaw Pact clone of the US M17 respirator. This one is probably the closest in design to the original M17.
Used by Bulgaria during the Cold War.

Warsaw PACT Chemical Hood

Warsaw PACT version of the M17 chemical hood, it fit's better on the PACT masks than the official M17 hood. The hood is East German and is fitted on the M10m Respirator.

American M9A1 Respirator

American M9 Respirator complete with issue tin and haversack.
The M9 was used in the USA until the introduction of the M17 and was cloned for use by the Finnish Defence Forces.

Belgian BEM 4GP Respirator

Belgian BEM 4GP combat respirator designed for the Belgian army during the 1990s. Avon undercut the costs for producing this mask and the Belgian army then adopted Avon series masks such as the FM12.
The 4GP is one of the best masks on the surplus market and has now been issued to many countries riot police and is also available for civilian purchase.
The mask allows you to switch the position of the filter, by default it is straight down but it can be switched to either the left or the right depending on helmet shape and if the shooter is left or right handed.

German World War 2 GM38 infantry Respirator

German/Nazi World War 2 Wehrmacht GM38 Infantry respirator.
One of the first masks to take a 40mm filter. Very advanced for the time of manufacture. This particular mask has is dated 1942.
The model was also produced in Spain and several other countries after the war.
Was replaced in West Germany by the M65 Respirator and in East Germany by the M41 Respirator.

Soviet SCHMS Respirator

The SCHMS supposedly was designed by the East Germans to be a more effective mask that the military GP5 variant the M41, the lenses are designed so that a sniper or a soldier needing to use optics can raise them to the mask more easily. Adopted throughout the Warsaw Pact. The mask is also referred to as the "Deaths Head" mask due to it's skeletal appearance.