Aerox Quick Donning High-Altitude Diluter Demand Mask - 4110-725-002-02-3

The Aerox Quick Donning High-Altitude Diluter Demand Mask, 4110-725-002-02-3 is a premium aviation oxygen mask built for demanding, high-altitude flight operations. Designed to meet stringent FAA requirements and approved under TSO C89A and TSO C78A, this mask ensures reliable performance and superior comfort for pilots and crew flying at altitudes up to 40,000 feet. Whether you're navigating long cross-country routes in a pressurized aircraft or preparing for potential cabin depressurization, this quick-donning mask is a critical component of any aviation oxygen system.

With its intuitive one-handed donning design, soft silicone facepiece, and rugged carbon fiber shell, this pilot oxygen mask balances comfort, safety, and ease of use. The integrated microphone keeps communication clear under pressure, and multiple fitting and hose options allow seamless integration with a wide range of general aviation and turbine aircraft.

Key Features

• Designed and certified for use up to 40,000 feet, meeting TSO C89A and C78A standards for aviation oxygen systems.
• Inflatable quick-donning harness allows pilots to deploy the mask in seconds using one hand—perfect for emergency situations.
• Lightweight carbon fiber shell and silicone facepiece combine durability with all-day wearing comfort.
• Electret microphone is built in for reliable cockpit communication without external equipment.
• Medium size harness provides a comfortable and secure fit for most users.
• Includes a 48" inlet hose to accommodate a variety of cockpit configurations.
• Compatible with PB1 (Puritan 750), PB2 (Puritan 566), and Scott oxygen fittings to support diverse aircraft setups.
• Optional accessories like the Aerox Carbon Fiber Stowage Cup (P/N 4110-155) and mask carrying case provide added convenience and protection.

Built for general aviation, turbine aircraft, and jet operators, the Aerox Quick Donning High-Altitude Diluter Demand Mask, 4110-725-002-02-3 is the trusted choice for flight crews who demand performance and safety from their aviation oxygen equipment. Whether you’re preparing for an international trip or equipping your aircraft with FAA-compliant emergency oxygen gear, this mask delivers unmatched readiness and reliability.