Stage I - IV
Multiple Therapy Modes
True Low Air Loss
Evergreen Medial Products OpalAir Therapeutic Surface
Evergreen OpalAir Surface Controller
Discover the OpalAir, a therapeutic surface designed to meet the needs of high-risk complex clients. Engineered to prevent and manage skin injuries, the OpalAir uses alternating pressure and low air loss therapies, enhancing pressure redistribution. The higher air flow rate actively reduces moisture and humidity, creating an optimal environment for healing.

Using intuitive design, the OpalAir offers a user-friendly experience for clinicians, ensuring ease of operation. The 'Auto-Detect' feature automatically configures optimal pressure, streamlining setup and reducing the need for ongoing maintenance. Additionally, 'Auto-Fowler' automatically adjusts air flow to the sacral/pelvic area when the bedhead is raised, preventing bottoming-out and ensuring enhanced protection for high-risk bony areas. These smart features make the OpalAir suitable for facilities and diverse patient care environments.

The OpalAir features clinical design elements that minimize agitation, elevate skin protection, and enhance overall client comfort, fostering an atmosphere conducive to restorative sleep and accelerated healing. Improve your patient care experience with the OpalAir—a fusion of intelligent technology and thoughtful design, tailored to meet the evolving demands of modern healthcare.
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“Another OT recommend the OpalAir, and after a few weeks my clients pressure injuries began to heal. The client found the surface to be quiet and comfortable.”

Andrea, OT for Alberta Health Services

"My clients Stage III pressure injuries were not improving on air-filled inserts. I switched to the OpalAir and my client’s skin began to improve. The smooth and gentle ‘Alternating Mode’ was clinically effective and  comfortable for my client."

Megan, OT for Alberta Health Services

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Clinical Features

Evergreen Surfaces Alternating Pressure Therapy Animation

Alternating Pressure Therapy

1-in-3 air cells gently inflate and deflate to enhance pressure redistribution and promote blood flow to high-risk tissues allowing greater oxygenation and healing. ‘SmoothCell’ technology facilitates gentle cell movement and ensures clients remain stable and unaffected by the surface movement.
Evergreen Surfaces Low Air Loss Animation

True Low Air Loss Therapy

Continuous high air flow controls microclimate (temperature and humidity) suitable to promote wound healing. Promotion of skin strength and integrity through reduced moisture buildup.
Evergreen Surfaces Auto-Detect Animation


Auto-Detect’ technology automatically calibrates optimal pressure based on bodyweight and surface area. This improves the efficiency of set-up, reducing the need for on-going caregiver adjustments.

Other Clinical Features


Automatic increase of air to sacral/pelvic area when bedhead is raised to reduce risk of bottoming-out and ensure protection for high-risk bony areas.


Lower pressure under the lightweight, bony ankle and heel areas to promote additional immersion and pressure redistribution.


Motionless head section to promote head and neck positioning and reduce potential disturbance to the client.


Cells alternate slowly and keeps clients at a level height. This ensures clients remain stable and unaffected by the surface movement.

Cool/Warm Air function

Allows clients to maintain a comfortable temperature to promote acceptance of the surface and enhance restorative sleep.


Cover easily removed for cleaning/ disinfecting and can be laundered. Ease of cleaning ensures infection protection.

Power Outage Coverage

2.5'' air pads provide coverage during a power-outage.

Low Noise Pump

Quiet pump decreases irritation and promotes a desirable sleep environment.


Mattress cells inflate to max for caregiver management. After 20 minutes the system automatically returns to the previously selected Therapeutic Mode.

Therapeutic Modes

Evergreen Surfaces Alternating Pressure Therapy Animation

Alternating Pressure Therapy

1-in-3 air cells gently inflate and deflate to promote safe offloading of pressure while maintaining sufficient body contact to reduce risk of peak pressures. Cells alternate slowly to ensure clients remain stable and unaffected by the surface movement. The 'SmoothCell' design promotes gentle cell movement reducing shear and friction.
Evergreen Medical Surfaces Therapeutic Modes Pulsate Therapy

Pulsate Therapy

Promotes increased capillary blood flow enhancing circulation and oxygenation delivery to compromised tissues, essential for wound healing.
Evergreen Surfaces Auto-Detect Animation

Constant Low Pressure Mode (CLP) Therapy

Air cells maintain at a lower pressure to allow greater body immersion. This constant level of air promotes pressure redistribution and reduction of peak pressures for frail, palliative or hypersensitive clients who cannot tolerate cell movement.

OpalAir FAQs

Evergreen surfaces should only be used under the guidance of a health professional. Specific clinical applications should be based on client physical and functional assessments.

How do I maintain an Evergreen control unit?

To ensure longevity of the control unit, inspect/clean the filter monthly. Replace the filter yearly.

How do I clean an Evergreen surface top-cover?

Disinfecting the top-cover
1. Remove the cover
2. Wipe the cover using a single use wipe and a .1% Chlorine Solution (1000ppm) and cold water
3. Ensure cover is completely dry, before refitting the cover to the mattress

Deep-Clean/Machine Wash Instructions for top-cover
1. Pre-wash 60°C for 15 minutes
2. Main wash 60°C for 15 minutes
3. Finish with cold rinse
4. Hang in a clean indoor environment, or tumble dry on a low heat setting for up to 90-minutes up to 40°C.

Covers must be completely dry before refitting to the mattress.

*If the mattress bottom cover needs to be washed on the OpalAir – remove the 'Auto-fowler' detector before the Deep-Clean/Machine Wash.

Does Evergreen offer a warranty?

Yes, 2-years from the date of purchase against manufacturing defects.

What sizes are available in Evergreen surfaces?

All mattresses come in a standard 35’’/36’’ width x 80’’ length. Quart can also offer custom size widths (i.e. 39’’, 42’’ or 48’’) and lengths. Contact us to customize your surface.

What can you place over an Evergreen surface?
A loosely tucked sheet is appropriate and still allows the mattress to work effectively. In terms of disposable pads, there are some available that are designed for Low Air Loss surfaces and that may be optical. Consult with a healthcare professional on the best covers to use based on the clinical application.

Clinical FAQs

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OpalAir Specifications

Surface Specifications

• Weight Capacity: 1000lbs
• Inflated Dimension: 35’’ x 79’’ x 10.5’’’. Additional width and length options available upon request.
• Air Cell Material: Polyurethane for durability
• Cover Material: Polyurethane-coated nylon fabric – vapour permeable for air flow
• Base Material: Heavy-duty Nylon fabric for durability

Control Unit Specifications

• Inflation Time: 10 minutes
• Max Air-flow: 1275 Ipm

Often purchased with the OpalAir

Ask your Care Provider for details on these products