ASTM Level III Surgical Mask – 3M 1835

The 3M Model 1835 Mask is an ASTM Level III surgical mask with four ties.
Also referred to as the 3M™ High Fluid Resistant Surgical Mask.


The 3M Model 1835 Surgical mask is the most commonly used surgical mask with ASTM Level III protection from fluids.

You can find the 3M data sheet for the model 1835 Mask and 1835FS here.


  • Flat pleat construction with vertical ties.
  • High fluid resistant material designed to help protect both the patient and health care personnel from the transfer of microorganisms.
  • Intended for use in environments where a high level of fluid resistance is required, OR, ER, IC, and unit’s performing medical procedures.

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