Lowenstein Prisma HYBERNITE Superday Replacement Tube (no power supply)

The Lowenstein PrismaHYBERNITE Superday Replacement Tube (WM29037) is the heated tube on its own — supplied without the power supply unit or PowerPal switch. It's the right pick if you already own a working Superday power supply and just need a fresh tube after 6–12 months of use. If you've never owned a Superday before, you'll need the full PrismaHYBERNITE Superday kit (WM29038) instead — this tube on its own won't run.

Key Features

• Heated tube only: Same physical tube as the Superday kit — no power supply, no PowerPal switch, no power cord.
• Plug-and-play with your existing kit: Connects to the Superday power supply you already own.
• Universal 22 mm cuff: Fits any CPAP/BiLevel machine using the standard cuff connection.
• 1.83 m length, 19 mm inner diameter: Standard heated-tube dimensions.
• Genuine Lowenstein, latex-free: Part WM29037 — the manufacturer-specified replacement tube.

Replacement Tube or Full Kit?

This product is the tube only. If you don't already own a Superday power supply, you can't use this — buy the full Superday kit (WM29038) instead, which adds the power supply unit, PowerPal on/off switch, and AU power cord. The tube-only option exists to save you ~$20 when only the tube is worn and your power unit still works fine.

Compatibility

Works with the same machines as the full Superday kit — Prisma SMART Max, Prisma SOFT Max, Prisma 25ST, SOMNO series, and any other CPAP/BiLevel machine using a 22 mm cuff connection alongside a humidifier.

Not for the Prisma 20A. The Prisma 20A uses the integrated 15 mm PrismaHYBERNITE Slimline heated tube instead.

Cleaning & Care

Wipe the tube down weekly with a damp cloth and a mild detergent. Do not fully submerge or autoclave — the tube wall contains electrical heating components. Do not use a hose wrap; wraps interfere with the heating element.

When to Replace

Replace your heated tube every 6 to 12 months as part of standard maintenance, or sooner if you notice cracks, holes, persistent odour, internal build-up, or any inconsistency in heating performance. If your power supply unit fails (rather than the tube), you'll need the full kit instead — power supplies aren't sold separately.