Löwenstein CPAP machine filters and parts by part number

The 19 mm non-heated breathing tube (leakage circuit) that Löwenstein supplies with prisma SMART, prisma SOFT and prismaLINE machines, code WM 24445 (also 2701661). Löwenstein says to clean it daily and replace it annually. A 15 mm tube (WM 29988) and HYBERNITE heated tubes are separate options. Follow the cleaning and care steps in your machine's user guide.

Change it every 12 months; 4 steps, no tools.

After the change: No reset step in Löwenstein's prisma manuals.

Fits 4 Löwenstein models: prisma 20A, prisma 20C, prisma SMART, prisma SOFT.

The grey air filter (coarse dust filter) for Löwenstein prisma SMART, prisma SOFT and prismaLINE (prisma 20A, 20C) machines, sold as a set of two (WM 29928) and included with the machine. Löwenstein says to clean it monthly and replace it every 6 months. The optional white pollen filter sits with it in the same holder. Follow the cleaning and care steps in your machine's user guide.

Change it every 6 months; 4 steps, no tools.

After the change: No reset step in Löwenstein's prisma manuals.

Fits 4 Löwenstein models: prisma 20A, prisma 20C, prisma SMART, prisma SOFT.

The optional white pollen filter (fine filter) for Löwenstein prisma SMART, prisma SOFT and prismaLINE machines, sold as a set of 12 (WM 29652). It sits with the grey air filter in the filter holder. Löwenstein says to replace it monthly. Not every machine comes with it. Follow the cleaning and care steps in your machine's user guide.

Change it every month; 4 steps, no tools.

After the change: No reset step in Löwenstein's prisma manuals.

Fits 4 Löwenstein models: prisma 20A, prisma 20C, prisma SMART, prisma SOFT.