3M™ Health Care Particulate Respirator and Surgical Mask ...
1860 & 1860S Package Appearance, Shelf Life Markings (PDF, 495.8KB) Quick Reference Guide - Disposable Respirators (PDF, 4.9MB) 3M™ Health Care Particulate Respirator and Surgical Masks Storage Conditions and Shelf Life FAQ (PDF, 142.6KB)