Allegro Half Mask Assembly (9920)
Allegro 9920 Half Mask Assembly is designed to offer continuous low-pressure protection with a comfortable and durable half mask. Featuring a unique "over the shoulder" hose design with a quick-connect OBAC system, this assembly provides a secure and easy-to-use solution for respiratory protection. Its low-profile design ensures compatibility with welding shields, while the silicone skirt is both flexible and easy to clean, retaining its shape even during storage. This mask is NIOSH approved, ensuring compliance and safety for various industrial applications.
Low-profile design for compatibility with welding shields
Unique "over the shoulder" hose design for easy use
OBAC quick connect for secure attachment
Silicone skirt for comfort and easy cleaning
Durable and flexible for long-lasting use
NIOSH approved for reliable respiratory protection
Ensures a secure and comfortable fit for prolonged use
Easy to maintain with a flexible and washable silicone skirt
Ideal for welding and other industrial applications
Quick-connect feature allows for fast and secure hose attachment
Technical Specifications:
Material: Silicone skirt
Connection Type: OBAC quick connect
Design: Low-profile for use under welding shields
NIOSH Approval: Yes
Applications: Industrial, welding, respirator use
Product identification
- Brand: Allegro
- Model / MPN: 9920

