3M™ Versaflo™ Inner Collar M-444, for use with all M-Series Outer Shrouds
The M-444 Inner Collar zips into all 3M™ Versaflo™ M-Series shrouds and provides a comfortable respiratory seal for 3M™ Versaflo™ M-400 Series Helmets.
The M-444 Inner Collar is a required part of a M-400 system.
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