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Medical Equipment - New, Refurbished & Used

SelfiMed UK supplies a wide range of medical equipment including new, refurbished and used devices suitable for hospitals, clinics and healthcare facilities. The collection includes patient monitors, defibrillators, infusion pumps, anaesthesia machines and ventilators selected for reliability and clinical performance. Each device is inspected and prepared for safe use, providing healthcare providers with cost-effective options for expanding or upgrading their equipment. All products comply with UK and EU medical device standards. Fast UK delivery is available across the full range at competitive prices.

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ResMed AirFit N30i Cushion

ResMed
Low stock

ResMed AirFit N30i Cushion – Under-the-Nose Silicone Cushion Replacement The ResMed AirFit N30i Cushion is a replacement cushion designed for use w...

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ResMed AirFit F40 Cushion

ResMed
In stock

ResMed AirFit F40 Cushion – AdaptiSeal Full Face Cushion Replacement The ResMed AirFit F40 Cushion is a replacement AdaptiSeal full face cushion de...

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Resmed AirTouch F30i Clear Full Face CPAP Mask

ResMed
Low stock

AirTouch F30i Clear Full Face CPAP Mask System Experience unmatched comfort and freedom with the AirTouch™ F30i Clear Mask System. This innovative ...

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ResMed AirFit P10 and P10 for Her Pillow Cushion

ResMed
Low stock

ResMed AirFit P10 Nasal Pillow Cushion for Comfortable and Effective CPAP Therapy The ResMed AirFit P10 Nasal Pillow Cushion is a genuine replaceme...

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ResMed AirSense 10 Series Side Cover

ResMed
In stock

ResMed AirSense 10 Series Side Cover This optional ResMed AirSense 10 Series Side Cover accessory, for use with the AirSense 10 series CPAP machine...

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ResMed Power Supply For AirSense 10 & AirCurve 10 Series of Machines - 90W

ResMed
In stock

ResMed Power Supply For AirSense 10 & AirCurve 10 Series of Machines - 90W  The 90W power supply is used to power your AirSense 10 & Air...

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ResMed AirSense 10 Elite CPAP Machine (1000-5000 Hours)- Complete Bundle

ResMed
Low stock

ResMed AirSense 10 Elite CPAP Machine Bundle The ResMed AirSense 10 Elite CPAP Machine is a premium fixed-pressure CPAP device designed to deliv...

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ResMed Airsense 10 Autoset CPAP Machine (1000-5000 Hours) Complete Bundle

ResMed
Low stock

ResMed AirSense 10 AutoSet – Auto CPAP Machine: 1,000 - 5,000 Hours The ResMed AirSense 10 AutoSet CPAP Machine is a premium auto-adjusting CPAP ...

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Replacement AirTouch F20 Cushion

ResMed
In stock

Replacement AirTouch F20 Cushion Ultimate Comfort with AirTouch F20 Cushion The AirTouch F20 Cushion is specifically designed to provide maximum co...

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Airsense 10 to AirSense 11 & Airmini CPAP Machine Power Cord Convert Cable

ResMed
Low stock

Understanding the Importance of the CPAP Machine Power Cord Seamless Compatibility for Your CPAP Machine The CPAP Machine Power Cord specifically d...

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Resmed AirTouch N30i Nasal Cradle CPAP Mask

ResMed
Low stock

ResMed AirTouch N30i Nasal Cradle CPAP Mask The ResMed AirTouch N30i nasal cradle CPAP mask is a minimalist, soft and adaptable interface design...

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ResMed AirFit N20 CPAP Nasal CPAP Mask Starter Pack – S, M, & L Cushions

ResMed
In stock

ResMed AirFit N20 CPAP Nasal CPAP Mask – Minimal Contact, Maximum Comfort The ResMed AirFit N20 Nasal CPAP Mask combines comfort, simplicity and...

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Original price £129.99
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Resmed AirSense 11 Autoset CPAP Machine (Used 1500-2000 hours)

ResMed
Low stock

ResMed AirSense 11 Autoset CPAP Machine – Complete Heated Humidification Bundle With myAir Connectivity The AirSense 11 AutoSet complete CPAP Ma...

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ResMed AirFit X30i Oral Nasal Pillows Full Face CPAP Mask

ResMed
Low stock

ResMed AirFit X30i Oral Nasal Pillows Full Face CPAP Mask The ResMed AirFit X30i Oral Nasal Pillows Full Face CPAP and BiPAP Mask is a hybrid in...

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Magnetic Headgear Clips 2 Pairs Compatible with Air-Fit N20 F20 F30 & Air-Touch F20 N20 CPAP Masks

ResMed
In stock

Magnetic Headgear Clips for CPAP Masks – Compatible with AirFit N20, F20, F30 and AirTouch F20, N20 The Ma...

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ResMed AirTouch F20 Cushion

ResMed
In stock

 ResMed AirTouch F20 Cushion for Full-Face CPAP Masks The ResMed AirTouch F20 Cushion is a genuine replacement part designed for the AirTouch F...

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Resmed AirSense 10 Filter Cover

ResMed
In stock

ResMed AirSense 10 Filter Cover – Genuine Replacement Part The ResMed AirSense 10 Filter Cover is a genuine replacement component designed to prote...

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ResMed AirFit F20 Cushion

ResMed
Low stock

ResMed AirFit F20 Cushion – Genuine Full Face Replacement for a Reliable Seal The ResMed AirFit F20 Cushion is an authentic replacement part design...

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Original price £99.99
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ResMed S10 ClimateLineAir Oxy CPAP

ResMed
In stock

ResMed S10 ClimateLineAir Heated Tube for Optimal Climate Control The ResMed S10 ClimateLineAir is an advanced heated tube designed for AirSense™ ...

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Original price £99.99
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ResMed ClimateLineAir 11 - Ref. 39102

ResMed
In stock

ResMed ClimateLineAir 11 - Ref. 39102 The ResMed ClimateLineAir 11 is a heated tube designed for exclusive use with the ResMed AirSense 11 when pa...

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Original price £59.99
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Resmed AirSense 10 AutoSet CPAP Machine With AirFit P10 Pillows Mask Complete Bundle Package

ResMed
In stock

Resmed AirSense 10 AutoSet CPAP Machine With AirFit P10 Pillows Mask Complete Bundle Package With MyAir Compatibility IMPORTANT: myAir is included...

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Original price £949.99
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Resmed AirSense 10 AutoSet CPAP Machine With AirFit N20 Nasal CPAP Mask Complete Bundle Package

ResMed
In stock

Resmed AirSense 10 AutoSet CPAP Machine With AirFit P10 Pillows Mask Complete Bundle Package With MyAir Compatibility IMPORTANT: myAir is included...

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Original price £899.99
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ResMed AirSense 11 AutoSet CPAP Machine with AirFit P10 Pillows Mask Bundle Package

ResMed
Low stock

ResMed AirSense 11 AutoSet CPAP Machine Ref. 39163 with MyAir Compatibility with Resmed P10 Mask The ResMed AirSense 11 AutoSet is an adv...

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Original price £99.99 - Original price £99.99
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ResMed AirSense 11 AutoSet CPAP Machine with Airfit N20 Nasal CPAP Mask Bundle Package

ResMed
Low stock

ResMed AirSense 11 AutoSet CPAP Machine with Airfit N20 Nasal CPAP Mask Bundle Package with MyAir Compatibility The ResMed AirSen...

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Original price £949.99
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Original price £949.99
Current price £944.99
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🫁

Proven Sleep Apnoea Treatment

CPAP therapy is the gold-standard treatment for obstructive sleep apnoea, keeping your airway open throughout the night.

📊

Auto-Adjusting Pressure

Modern APAP and CPAP machines automatically adapt pressure to your breathing, delivering precise therapy every night.

📱

Track Your Progress

Built-in compliance data and companion apps let you and your clinician monitor therapy hours, AHI and mask seal in real time.

✈️

Travel-Ready Machines

Lightweight, compact designs with universal power supplies mean your therapy travels with you wherever you go.

CPAP Machines Collection

Frequently Asked Questions

A CPAP (Continuous Positive Airway Pressure) machine delivers a constant stream of pressurised air through a tube and mask to keep your upper airway open during sleep. This prevents the airway from collapsing, which is the primary cause of obstructive sleep apnoea (OSA).

The machine draws in room air, filters it and pressurises it to a level prescribed by your clinician. This gentle, continuous pressure acts as a pneumatic splint, eliminating apnoeas, hypopnoeas and snoring.

CPAP delivers a fixed, constant pressure set by your prescribing clinician. It is the most common type and works well for most OSA patients.

APAP (Auto CPAP) automatically adjusts the pressure breath by breath within a set range. This can improve comfort and is particularly useful for patients whose pressure needs vary, such as those who sleep in different positions or whose OSA severity changes.

BiPAP (Bilevel PAP) delivers two different pressure levels — a higher pressure on inhalation and a lower pressure on exhalation. It is used for patients with more complex respiratory needs, higher pressure requirements or conditions such as central sleep apnoea or COPD.

Your prescribing clinician will recommend the most appropriate device based on your sleep study results.

In the UK, CPAP machines are classified as medical devices. While a prescription is not legally required to purchase a machine, a formal sleep study and clinical assessment are strongly recommended before starting therapy. This ensures the correct pressure settings are identified and the most appropriate machine is selected for your condition.

If you have already been diagnosed with sleep apnoea and are replacing an existing machine or purchasing a spare, our team can assist you in selecting a compatible device. Contact us if you need guidance.

The right machine depends on several factors including your diagnosis, prescribed pressure range, lifestyle and personal preferences. Key considerations include:

Fixed vs auto-adjusting: APAP machines are often preferred for their flexibility and improved comfort, particularly for new users.

Built-in humidifier: Most modern machines include an integrated humidifier. If yours does not, a standalone or clip-on humidifier can be added.

Noise level: All our machines are clinically quiet, but models vary slightly. Consider this if you or your partner are sensitive to sound.

Travel use: If you travel frequently, a compact, lightweight model with a universal power supply and optional DC cable is advisable.

If you are unsure, please contact our clinical team for guidance before purchasing.

Setting up a CPAP machine for the first time is straightforward. The general steps are:

1. Place the machine on a flat, stable surface beside your bed, ideally below the level of your head.

2. Fill the water chamber with distilled water up to the maximum fill line and attach it to the machine.

3. Connect the tubing to the machine's air outlet and the other end to your mask.

4. Fit and adjust your mask for a secure, comfortable seal.

5. Power on the machine and begin therapy. Many machines start automatically when you breathe in.

Your machine will come with a detailed user manual. If pressure settings need to be configured, refer to your clinical team or prescription paperwork.

Daily: empty any remaining water from the humidifier chamber and leave it open to air dry.

Weekly: wash the water chamber and tubing with warm water and mild soap. Rinse thoroughly and allow to dry completely before reassembling. Wipe the exterior of the machine with a damp cloth.

Monthly: inspect and clean reusable filters by rinsing with water. Allow to dry fully before replacing.

Every 6 months: replace the water chamber and any reusable filters. Replace disposable filters every 1 to 3 months depending on use.

Avoid harsh chemicals, bleach or alcohol-based products on any components, as these can degrade seals and plastic.

Yes. Most modern CPAP machines are designed for travel. They typically include a universal AC power supply (100–240V) suitable for use in any country. Many models also support DC power for use in cars, campervans or off-grid settings via an optional DC cable or battery pack.

CPAP machines are classified as medical devices and are permitted as carry-on luggage on most airlines. It is advisable to carry your prescription documentation when travelling internationally.

If you travel frequently, consider a purpose-built CPAP travel bag to protect your equipment during transit.

CPAP pressure is measured in centimetres of water pressure (cmH₂O) and should only be set based on the results of a titration study or the recommendation of your prescribing clinician. Common therapeutic ranges are between 4 and 20 cmH₂O.

If you are using an APAP device, your clinician will set a minimum and maximum pressure range within which the machine will automatically adjust.

Do not self-adjust your pressure without clinical guidance, as incorrect settings can reduce therapy effectiveness or cause discomfort.

A well-maintained CPAP machine typically lasts between 5 and 7 years, though many continue to function reliably beyond this. Lifespan depends on usage frequency, maintenance habits and the specific model.

Regular cleaning, timely filter replacement and using distilled water in the humidifier are the most effective ways to extend the life of your machine.

If your machine begins to make unusual noises, loses pressure consistency or displays persistent error codes, it may be time to consider a replacement. Contact our team for advice.

A 30-day change-of-mind return policy is available for brand new machines that are unopened and unused only. Once a CPAP machine has been set up or used, even briefly, it cannot be resold as new for hygiene and clinical reasons.

If you receive a machine that is faulty or damaged on arrival, please contact us immediately and we will arrange a replacement or refund.

Return shipping costs for change-of-mind returns are the responsibility of the customer. We strongly recommend selecting the correct model before purchasing. Our team is available to help you choose the right machine.