Astral R6 series page
Astral R6 series page


It’s about choices.


It’s about choices.

  • Variety of modes, circuits and interfaces for a broad range of conditions in adults and children (>5kg)*
  • Smart mouthpiece ventilation enables fast, easy switching from mask to MPV without changing the circuit
  • Disconnection alarm and Learn Circuit give peace of mind with a wide range of setups
  • Engineered for mobility: weighs just 3.2 kg and has long-lasting batteries**
  • Auto-scaling real-time pressure and flow waveforms deliver accurate information at a glance
  • Maintenance reminders and fast USB cloning of settings between devices streamline management and operations



Changing from nighttime mask setup to daytime mouthpiece setup

Indications for use Life support for patients over 5 kg*
Single circuit with leak
Single circuit with valve
Double circuit***
Mouthpiece circuit
Valve circuit therapy: CPAP, (A)CV, P(A)CV, P-SIMV, V-SIMV, PS
Leak circuit therapy: CPAP, (S)T, P(A)C, iVAPS* and optional AutoEPAP
Mouthpiece ventilation therapy:(A)CV, P(A)CV, PS
Manual breath***
Sigh breath (recruitment)***
Apnoea ventilation Volume and pressure
Preset programmes**** 4
Pressure range and settings
Delivered pressure (cm H2O) 2–50 (leak circuit)

0–50 (valve circuit)
Delivered tidal volume (mL) Adult: 100–2500 mL

Paediatric: 50–300 mL
Respiratory rate Adult: Off, 2–50 bpm

Paediatric: Off, 5–80 bpm
SpO2 monitoring Optional
FiO2 monitoring*****
On screen 30 days of summary data

Real-time pressure and flow (25 Hz)
ResScanTM (via download) 365 days of summary data

7 days of detailed data
Alarms A wide range of settable alarms is available including FiO2 and SpO2, when connected.
Physical and general
Weight 3.2 kg
Physical and general
specifications(L x W x H)
285 mm x 215 mm x 93 mm
Internal battery Lithium-Ion battery, 14.4 V, 6.6 Ah, 95 Wh. 8 hour run time
Sound power level 43 ± 3 dBA †
Sound pressure level 35 ± 3 dBA †
Medical electrical equipment - general requirements for basic safety and essential performance.
Class II (double insulation) Type BF
Continuous operation
Suitable for use with oxygen

Made to work together


  • Accessories

    SlimLine Tubing

    The SlimLine small diameter air tube is exceptionally light and flexible, and virtually eliminates tube drag.


    Astral Mobility bags

    Designed to protect the AstralTM ventilator while providing greater freedom and mobility.


    Circuit Support Arm

    The circuit support arm holds ventilation circuits and mouthpieces securely in a convenient position for patients using an Astral™ ventilator.


    External battery

    Astral can operate for up to 16 hours on external battery alone. It also features an internal battery that delivers an extra 8 hours of backup power if needed.


    Remote Alarm II

    Patients on life support require close attention and care, but they can recuperate with an appropriate amount of independence by keeping connected to remote or hospital alarm systems.


    Homecare Stand

    Fully compatible with the Astral™ range of ventilators, ResMed’s homecare stand is designed to reduce the risk of everyday accidents through added mobility, security and convenience.

  • Devices

    Astral 100

    Astral supports usability and effective therapy, day and night, whether it’s being used for tracheotomised patients or non-invasively with a mask or mouthpiece.


    Astral 150

    All the features of Astral 100 with the inclusion of a double limb circuit, 4 pre-settable therapy programmes, and the option of sigh breath or manual breath therapy.

  • Interfaces

    AirFit P10

    Our quietest mask yet! A recent clinical study found that patients using the AirFit P10 sleep more than 40 minutes longer per night.


    AirFit F20

    The AirFit F20 was designed to comfortably fit the widest range of faces. Indeed, in an international study, AirFit F20 fit 96.5% of all patients.


    AirFit N20 Classic

    The AirFit N20 Classic combines a forehead support with all the core values of the 20 series family, so you can be sure to own a familiar feeling mask that contains all the essential technologies to transform your mask experience.


    Quattro Air NV

    The Quattro™ Air NV mask is our lightest non-vented full face mask. It's comfortable to wear, easy to use, and ideal if you need long-term, high-quality, non-invasive (NIV) therapy.



    The EasySpeak™ mouthpiece enhances comfort and freedom for patients using an Astral™ ventilator

How to buy

Please contact our Customer Service department or your local representative for more information on obtaining ResMed products.

Contact Customer Service


* iVAPS therapy mode is indicated for patients weighing 30 kg and above.

** Connects to one or two external batteries, each providing up to 8 hours of operation; internal battery provides 8 hours of backup power when needed.

*** Not available with Astral 100

**** Only 2 preset programmes are available with Astral 100

***** Optional with Astral 100

† As measured according to ISO 80601-2-12:2011