Allegro� 9920 Half Mask Supplied Air Respirator - Sold Individually

This comfortable half mask offers low pressure continuous flow protection with the same unique over the shoulder hose design and belt. It’s durable and easy to use and clean. The low-profile design allows it to fit under welding shields.

Seal:

• Durable silicone rubber maintains shape while in storage
• Hypoallergenic and chemical/Ozone resistant
• Comfortable even in extreme heat and cold environments 

Exhalation Valve:

• Unique exhalation valve design.
• Easily accessible for fast replacement and servicing
• Large diameter for minimal breathing resistance 

Suspension:

• Standard double strap keeps mask in place
• Made of durable rubber 

Down Tube & Belt Assembly:

• 90 Degree elbow allows it to be directed over the shoulder and out of the way
• Corrugated material for flexibility
• Lightweight material for greater comfort and less fatigue
• OBAC quick-connect plug with wide diameter and minimal air restriction
• Low profile nylon waist belt
• Plastic clip to restrain airline hose from pulling on the facepiece 

NIOSH Approval:

• Approval No. TC-19C-355  Use only Allegro approved airline hose.