3M Collar 231443 – Medici Supply Co.

This fit test collar is compatible with a selection of test kits for ease of use
It tests the respirator seal to make sure it's working properly
This 3M™ collar is virtually universally compatible and works with most gas and vapor and particulate respirators
It conforms to OSHA regulations to keep you safe
This respirator collar is part of a full test environment for use with a bitter or sweet solution

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