The Complete Guide to CPAP Hoses: Universal Fit for All Masks—Except One

Introduction to CPAP Therapy

What Is CPAP?

CPAP (Continuous Positive Airway Pressure) therapy is the gold standard for treating obstructive sleep apnea. It works by pushing a constant stream of pressurised air through a hose and mask to keep your airway open while you sleep.

Why a Hose Matters in Your Setup

Think of your CPAP hose as the lifeline between your machine and your mask. Without it, the pressurised air can’t get to you—and without that air, your therapy simply doesn’t work. It’s that simple.

Understanding the CPAP Hose

What Does a CPAP Hose Do?

The hose delivers air from your CPAP machine to your mask, and ultimately, your airway. It needs to be flexible, durable, and compatible with your setup to ensure you get uninterrupted therapy every night.

Standard Hose Sizes and Compatibility

Just about all hoses on the Machine end are unique to the CPAP machine you are using, however on the Mask end, the standard CPAP hose size is 22mm in diameter at the connector end, with a 19mm inner tube. This size is nearly universal—meaning almost every machine and mask on the market can connect to it. (We’ll get to the one exception in a bit.)

Materials Used in CPAP Hoses

CPAP hoses are typically made from lightweight, medical-grade plastic. Some hoses include silicone or rubber ends for a secure, airtight fit. Heated hoses incorporate electric wires to prevent condensation (aka “rainout”).

Types of CPAP Hoses

Standard CPAP Hose

The go-to option for most users. It’s flexible, affordable, and widely compatible. Usually 1.8 Metres (6 feet) in length.

Heated CPAP Hose

Perfect for humid climates or if you're using a humidifier. Heated hoses reduce condensation inside the tube and improve comfort.

SlimLine CPAP Hose

SlimLine hoses are lighter and smaller in diameter (15mm inner tube) but still use standard 22mm ends. Great for travelers or those who want less drag on their mask.

Lightweight Performance Hose

These are ultra-light and super flexible, designed for maximum comfort and reduced pull on your mask.

Universal Compatibility: The Rule, Not the Exception

Why Most Hoses Fit All Masks

Most CPAP hoses are interchangeable thanks to the industry-standard 22mm cuff size. This makes setup and replacement a breeze.

22mm Standard Connection

Whether it’s a nasal, full-face, or nasal pillow mask—most of them fit snugly onto the 22mm hose end. Manufacturers stick to this standard to make things easier for users.

CPAP, APAP, and BiPAP Systems Compatibility'

Regardless of whether you're using a CPAP, APAP, or BiPAP machine, most will accommodate a standard hose. That’s the beauty of universal design.

Exceptions in the Market

Now, here’s where things get tricky...

The ResMed AirMini Exception

Why the ResMed AirMini Hose Is Different

Unlike every other machine, the ResMed AirMini uses a proprietary connection. It doesn't have the universal 22mm connectors. That means standard hoses just won’t fit.

Specialised Hose & Connector Design

The AirMini’s hose is compact and engineered specifically to work only with ResMed’s selected AirMini-compatible masks. No 22mm ends here—just a custom snap-in connector.

Mask Compatibility Limited by Design

You can’t use just any mask with the AirMini. It only works with:

• AirFit P10 AirMini Setup Pack
• AirFit N30 AirMini Setup Pack
• AirFit N20, AirFit N20 Classic or AirTouch N20 mask with N20 Nasal Mask AirMini Setup Pack
• AirFit F20 or AirTouch F20 mask with F20 AirMini Setup Pack

You’re locked into using ResMed’s ecosystem—unless...

Workarounds and Solutions

Here’s the hack: Third-party adapters like the ZephAir Adapter allow you to use a standard hose and mask setup with the AirMini. This opens the door to your preferred mask, but does remove the HumidX waterless humidification system for AirMini.

Resmed AirMini with Zephair Adaptor

How to Choose the Right CPAP Hose

Compatibility with Machine and Mask

Always check if your machine accepts standard hoses. If you’re not using the AirMini, chances are high that it does.

Hose Length Considerations

Most hoses are 1.8 metres (6 feet) long, but you can find shorter and longer versions too. Longer hoses offer more freedom but may reduce airflow slightly.

Heated vs. Non-Heated

If you experience dryness or use a humidifier, a heated hose is a game-changer. Otherwise, a regular one does the job just fine.

Maintenance and Care Tips

How Often Should You Clean Your Hose?

Ideally, once a week. Warm water and mild soap with a tube brush work well. Let it air dry fully before reconnecting.

Signs It’s Time to Replace

Look for:

• Cracks or tears
• Stiffness
• Discoloration
• Musty smell
• Loose ends that no longer seal tightly

Storage and Travel Tips

Roll it gently (don’t fold!), and use a hose cover or travel pouch to keep it clean.

Common Mistakes to Avoid

Using Incompatible Hoses

Don’t assume all hoses fit all machines—especially if you’re using ResMed’s AirMini. Always double-check.

Ignoring Cleaning Schedules

A dirty hose can harbor bacteria and mold. Not exactly what you want blowing into your airway every night, right?

Overlooking Hose Leaks

Small holes can ruin your therapy. If you hear whistling or feel air escaping, it’s time for a replacement.

Here’s the takeaway: Nearly all CPAP hoses fit nearly all masks, thanks to a universal design standard—except for the ResMed AirMini, which plays by its own rules. But even then, you’re not totally stuck. With the right adapter, you can make it work for you.

Choosing the right hose and caring for it properly is just as important as picking the right machine or mask. So treat your hose like the unsung hero it is—it’s got one job, and it does it night after night to help you breathe better and sleep deeper.

FAQs

1. Can I use any CPAP hose with my mask?

Yes, as long as it’s a standard 22mm hose and you're not using a ResMed AirMini, you’re good to go.

2. Is there an adapter to use standard hoses with ResMed AirMini?

Yes! Products like the ZephAir Adapter allow you to use any standard hose and mask combo with the AirMini.

3. How long do CPAP hoses last?

On average, replace your hose every 6 to 12 months, depending on wear and tear.

4. Are heated hoses better for everyone?

Not necessarily. They’re great for people using humidifiers or dealing with condensation issues, but not essential for everyone.

5. What size hose is most common?

The 22mm connection hose with a 19mm inner diameter is the industry standard for most CPAP setups.