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The M18 (officially designated as ARS) was the standard mask of the Belgian Army in World War 1 after the French ARS.

Mask overview[edit | edit source]

Practically a GM17 with a 42 mm filter thread.

The filter[edit | edit source]

The filter was the same as the ARS.

The kit[edit | edit source]

The M18 came with an ARS kit, complete with a metal box with bilingual instruction and an ARS 42 mm filter.

History[edit | edit source]

Variants[edit | edit source]

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First variant[edit | edit source]

The first variant was derived from the GM17

Second variant[edit | edit source]

Very few GM18 were made, and even fewer were captured and turned into M18 masks of the second variant.

References[edit | edit source]

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