How often should I change a Philips Respironics filter?

Every 6 months for the Philips DreamStation reusable pollen filter (1122446), the most common Philips Respironics filter here. Each model page shows the interval for its own filter.

What happens if I don't change the filter?

A blocked filter restricts the air the machine draws in, and a torn one lets dust and pollen through; the manual says when to replace it.

Does Philips Respironics make a compatible filter?

Philips Respironics makes the genuine filter. Compatible filters for Philips Respironics models are made by other companies to fit the same models, and Australian sellers we track list both; each part page shows the genuine and compatible prices side by side.

Philips Respironics CPAP filters and parts

Which filter and other parts each of the 8 Philips Respironics machines sold in Australia takes, with dated prices from 6 Australian sellers, genuine and compatible side by side.

Most take the 1122446 (5 of 8 models), from $5.00. Check yours below.

Compatible · Amazon AU$7.00 each · 2-pack $14.00 Genuine · CPAP Direct$5.00 All 6 sellers

Showing 8 of 8 Philips Respironics models · grouped by filter platform

Philips DreamStation reusable pollen filtertakes 1122446

Philips DreamStation Go reusable pollen filter (2 pack)takes 1133743

Philips DreamStation 2 reusable pollen filtertakes 1142687

DreamStation 2takes 1142687 · from $15.51View filter

How to change the filter in your Philips Respironics machine

Steps for the Philips DreamStation reusable pollen filter (1122446), the filter 5 Philips Respironics models take. Change it every 6 months.

Changing filters on the DreamStation | Philips | Sleep therapy system · Philips Healthcare (official)

1Turn the airflow off and unplug the DreamStation.
2Lift up the filter access door on the side and swing it open, then pull out the old filter assembly.
3If you use the ultra-fine filter, place the dry blue pollen filter on top of a new ultra-fine filter and snap them together.
4Put the filter assembly back in the side of the machine and swing the door closed.

After changing the filter

Nothing to reset: the DreamStation shows a filter reminder every 30 days, but Philips says it is a reminder only and the machine cannot tell when a filter has been changed.

Get a reminder when your Philips Respironics filter is due

Most Philips Respironics models here change it every 6 months. One email two weeks before, no newsletter. Type the model from the sticker and we set the date for that model.

Common questions

How often should I change a Philips Respironics filter?: Every 6 months for the Philips DreamStation reusable pollen filter (1122446), the most common Philips Respironics filter here. Each model page shows the interval for its own filter.
What happens if I don't change the filter?: A blocked filter restricts the air the machine draws in, and a torn one lets dust and pollen through; the manual says when to replace it.
Does Philips Respironics make a compatible filter?: Philips Respironics makes the genuine filter. Compatible filters for Philips Respironics models are made by other companies to fit the same models, and Australian sellers we track list both; each part page shows the genuine and compatible prices side by side.
Is there anything to reset after changing the filter on a Philips Respironics machine?: Nothing to reset: the DreamStation shows a filter reminder every 30 days, but Philips says it is a reminder only and the machine cannot tell when a filter has been changed.

All 8 Philips Respironics CPAP machines we list, A to Z

Brand names describe compatibility only; FitMatch is independent of Philips Respironics. Fitment sources are recorded on every model page.