Comfort and Compatibility, Without Compromise

• Provides low breathing resistance and added comfort
• Low-profile design
• Multi-position cartridge placement
• Molded from pure silicone
• Extra-large inhalation valves
• Patented corrugated exhale valve
• Wide interior flange
• Deep chin cup
• Low "dead air" space
• Unique low-fitting design
• Textured non-slip face seal
• Swivel strap retainers
• NIOSH approved