Measure the depth of
the threaded hole on your mask from the base to the gasket. If it is
deeper than 1/2″, please contact us for gasket shims.
Adapts gas masks and respirators with 40mm NATO threading such as SGE 150/400 to accept 3M filters.
2-piece design allows for the filter to be able to be set in different positions so that the rectangular, non-round 3M filters can be used as well
Includes gasket kit
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