Allegro Full Mask Assembly
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. NIOSH approved.
 LENS: 
• 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 (PN 9901-25)
SUSPENSION:
• 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 
SEAL: 
• 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 
DOWN TUBE & 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 with Allegro approved airline hose)
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