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Aerox Diluter Demand Mask

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Part# 13-12359
MFR Model# 4110-725-002


The aerox® Quick Comfort series diluter demand mask comes standard with an electret microphone and an inflatable Quick Comfort head harness. This head harness provides maximum comfort while allowing a very quick don and promotes an excellent seal to any face. The mask features a carbon fiber construction for light weight, and soft silicon rubber for a comfortable fit. Connectors are available for most built in systems. This mask is easily mounted with the available carbon fiber stowage cup, aerox® is also able to manufacture a portable walk around system with the same outlet plug that is on your aircraft, so you can easily disconnect from the on-board system and plug directly into a portable system allowing mobility.

This 4110-725 series mask is intended to be used by crew and passengers in the general aviation industry to an altitude of 40,000 feet MSL. The approval for this mask compliments other FAA approvals aerox® has already been granted for oxygen system components.

The Aerox quick donning diluter-demand oxygen mask is equipped with oro-nasal carbon fiber face piece, a mask-mounted diluter-demand regulator, a electret microphone, and an inflatable head harness. The inflatable harness that allows donning with one hand in less then 5 seconds, when used with Aerox 13-15061. Various connectors are available to fit most built-in oxygen systems. The diluter-demand oxygen mask is intended to be used by qualified crewmembers to an altitude of 40,000 feet (MSL) Approved to TSO-C78a and TSO-C89a.

Head Harness: Inflatable Quick Comfort
Certified Altitude: 40,000 Feet Max (MSL)
Microphone Plug: PJ068

Note: If returned, all cannulas and oxygen masks must be factory sealed.


  • Aviation Oxygen per MIL-O-27210
  • Supply Press Range: 55 to 70 Psi * (0.37 to 0.48 Mpa)
  • Operating Temp Range: +20 0 to +1200 F ** (-290 to +490C)
  • Relative Humidity: 5 to 95 percent
  • Overhaul: Aerox recommends every 3 years.
* A minimum oxygen flow of 100 liters per minute (NTPD) at 55 to 70 Psi must be supplied to the mask.
** If the aircraft is to be exposed to extreme cold weather for a extended period the crew oxygen masks must be removed from the aircraft and stored in a warm place.


  • Height: 5.5"
  • Width 4.5"
  • Weight: 1.2 Lbs.




Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

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