Allegro Full Mask Supplied Air Respirator

This comfortable full mask offers low pressure continuous flow protection with a unique over the shoulder hose design and an adjustable belt holds the hose out of the way. It’s durable and easy to use and clean.

SKU: S9901 Categories: ,



  • High impact polycarbonate (meets ANSI Z87.1)
  • Wide field of vision with replaceable lens
  • Distortion-free
  • Anti-fog and anti-scratch coatings
  • Available lens peel-offs (P/N: 9901-25)


  • Non-slip durable rubber five point harness
  • Mesh hair net minimizes pulling of hair
  • Fits under hard hats
  • Unique adjustable buckle system to lock in place


  • Hypoallergenic and chemical/ozone resistant
  • Durable silicone rubber maintains shape while in storage
  • Comfortable even in extreme heat and cold environments
  • Double sealing flange and deep chin pocket for better face to mask seal

Exhalation Valve:

  • Large diameter contoured exhalation valve design, for minimal breathing resistance
  • Easily accessible for fast replacement and cleaning
  • Removable cover protects the exhalation valve form dirt, paint spray and from freezing

Downtube & Belt Assembly:

  • 90° elbow allows it to be directed over the shoulder and out of the way
  • Corrugated flexible and lightweight material for greater comfort and less fatigue
  • OBAC quick-connect plug with wide diameter and minimal air restriction
  • Low profile nylon adjustable waist belt
  • Plastic clip to restrain airline hose from pulling on the face piece
    Niosh Approval:

Approval No. TC-19C-353 (Use only Allegro approved airline hose.)

Product Item No Size Unit Type
Allegro Full Mask Supplied Air Respirator S9901 1 Size Each