By the HyperbaricHome.co.uk – The UK's Independent Hyperbaric Chamber Buying Guide Team · Updated May 2026 · Independent, reader-supported

Hyperbaric Chamber Accessories UK: Inner Liners, Oxygen Concentrators & Essential Add-Ons

If you've invested in a home hyperbaric chamber, you've made a significant decision about your wellness routine. But the chamber itself is only part of the picture. The right accessories make the difference between a comfortable, effective therapy experience and one that leaves you frustrated—or worse, at risk of damaging your equipment.

Buying a hyperbaric chamber is the start; building the right setup around it keeps it working properly and keeps you comfortable during sessions. Here's what you actually need to know about the main accessories, what they do, and why they matter.

Inner Liners: Protecting Your Investment

The inner liner is arguably the most important accessory you'll buy for your chamber. It's the fabric sleeve that sits inside the acrylic shell, and it's taking the brunt of the mechanical stress every single session.

Liners serve two critical purposes. First, they protect the acrylic chamber itself from the constant pressure cycles and any sharp objects that might snag it. Second, they extend the life of your chamber dramatically—acrylic naturally becomes brittle over time, and a good liner slows that process significantly. Without one, you're looking at potential cracks or brittleness in as little as 3–5 years of regular use.

Replacement liners typically cost between £400 and £800 depending on chamber size. They're not cheap, but they're far cheaper than replacing a damaged acrylic shell. Most high-quality liners are made from heavy-duty vinyl or composite materials and last roughly 5–7 years with proper care.

What to look for: a liner that fits your specific chamber model snugly—loose liners bunch up and create uncomfortable pressure points—and one that includes reinforced seams. Some liners include zips for easier installation, which saves about 20 minutes compared to sliding a full liner over the shell.

Oxygen Concentrators: The Heart of Performance

A 10-litre oxygen concentrator is the standard choice for home chambers and for good reason. It's powerful enough to maintain therapeutic oxygen levels inside a vertical or horizontal chamber during standard pressure runs (2.4–3 ATA, which is 24–30 metres depth equivalent).

There's often confusion about why you need a separate concentrator when the chamber pulls ambient air. Here's the reality: ambient air is about 21% oxygen. When you pressurise the chamber, you're compressing that 21% oxygen. But to get genuine therapeutic benefit—increased dissolved oxygen in the bloodstream—most protocols call for breathing closer to 80–95% oxygen. That's where the concentrator comes in. It strips nitrogen from the air and delivers concentrated oxygen into the chamber.

A 10-litre unit produces around 10 litres per minute of oxygen-enriched air at 90–95% purity. Running one costs about 8–15 pence per hour in electricity (depending on your supplier and the concentrator's efficiency). They're typically whisper-quiet modern machines, though you'll hear a gentle humming—nothing disruptive.

Key consideration: concentrators need servicing. Filters should be cleaned or replaced every 3–6 months depending on use, and the machine itself should be professionally serviced annually. This isn't optional if you want it to last 5+ years. Neglecting maintenance pushes efficiency down and costs spike.

Anti-Static Mats and Electrical Safety

Hyperbaric chambers operate under pressure, and that creates static electricity. An anti-static mat goes on the floor inside the chamber and dissipates static before it becomes a problem. It's not glamorous, but it's genuinely important for safety.

Without proper grounding, static buildup can cause discomfort—a sudden shock when you touch the chamber wall or your phone—and in rare cases, can interfere with medical equipment if you're in the chamber with a monitoring device. The mat is your first line of defence.

Quality anti-static mats cost £50–150 and last indefinitely if you clean them properly (damp cloth, never machine wash). Some people use adhesive anti-static tape instead, which is cheaper but less durable. Either works, though mats are more forgiving over time.

Comfort Accessories: Making Sessions Bearable

Sessions typically last 60–120 minutes. Comfort matters, especially if you're using the chamber several times per week.

A padded seat cushion or foam mat gives you something to sit on besides bare acrylic. Standard vinyl cushions cost £30–80. Some people graduate to a reclining chair insert, which runs £150–300 but transforms the experience if you're prone to lower back discomfort during longer sessions.

Headrests are less critical but useful if you're lying down. They clip to the chamber wall and prevent neck strain. Expect to pay £40–100.

Ventilation fans (small, quiet USB-powered ones) cost £25–60 and make a noticeable difference if you're in the chamber during warmer months. Without one, humidity builds quickly, especially if two people are inside, and condensation on the acrylic can become irritating.

Other Essentials Worth Considering

A pressure gauge specifically designed for home use (not the one you'll have on your chamber) costs £30–50 and lets you double-check readings without relying solely on the built-in display. It's a useful sanity check.

Oxygen tubing replacement sets run £20–40. Tubing degrades over time and can become cracked or stiff, so having a spare set on hand means you're never scrambling when the original fails mid-season.

A surge protector rated for medical equipment (1500W minimum) costs £20–40 and protects your concentrator and chamber electronics from power spikes. It's insurance you hope you never need.

Putting It Together

Your chamber works best with a solid foundation of accessories. Budget roughly £800–1500 for a complete setup (liner, concentrator, mat, comfort items, and spares) beyond the chamber itself. That sounds like a lot, but spread across 5–7 years of use—the typical lifespan you'll get from these items—it's a reasonable investment in keeping your equipment running and your sessions comfortable.

The key is replacing things before they fail, not after. A cracked liner or worn concentrator filter doesn't just compromise your experience—it can damage the expensive equipment underneath.