How do I fit the CX FSF in a Miele CX FSF?

No tools, a few minutes: 3 steps, listed on this page with the replacement video where the maker has one.

What happens if I don't change it?

Suction drops and the vacuum may cut out on a blocked filter, and a full bag loses suction well before it looks full.

Vacuum cleaner air filter

Miele Boost CX1 Fine Dust Filter (CX FSF)

CX FSF

Fits 1 model · replace every 12 months

Wrong part, or your model missing? Tell us. A person checks every report.

GenuineGenuine Miele

$45.00

Bunnings · 5 OctLowest genuine · Bunnings · checked 5 Oct

CompatibleCompatible option

$29.90

Bunnings · 5 OctBunnings · checked 5 Oct

Check sellerCheck seller details

Genuine: made by Miele. Compatible: another brand. Check certification on the seller's page.Genuine is made by Miele. Compatible is made by another brand. Check the seller's certification details before choosing.

Lowest compatibleLowest compatible price · $29.90

Bunnings. Compare with genuine below. Some links earn us a commission. Some seller links earn us a commission, at no extra cost to you.

Open Bunnings · $29.90

Compare 3 sellers

AUD, before delivery. Each price shows when it was checked.

Compatible options

1 seller

BunningsCompatible · checked 5 Oct · may have changedCompatible · Lowest compatiblechecked 5 Oct · may have changed$29.90OpenGo to seller

Genuine Miele

2 sellers

BunningsGenuine · checked 5 Oct · may have changedGenuine part · Lowest genuinechecked 5 Oct · may have changed$45.00OpenGo to seller

Miele AuGenuine · checked 23 OctGenuine part · Manufacturerchecked 23 Oct$59.00OpenGo to seller

Open cheapest seller · $29.90

Opens Bunnings in a new tab. Their page is the source of truth for price, delivery and returns.

How long it lasts

Usually every 12 months.

Flow slows and taste drops off as the filter fills up. Changing on time is the whole point.

Not due yet?

Get a nudge when your filter is due — it's every 12 months. One email two weeks before, no newsletter. Manage or stop it anytime.

How to change the CX FSF air filter

Watch the guide or follow the steps.

Boost CX1 Cleaning and maintenance · Miele Australia (official)

1Take the dust container off the Boost CX1 and lift the filter frame out from behind it.
2Pull the old fine-dust filter out of the frame and press the new one in.
3Refit the frame and the container; rinse the filter under the tap whenever the indicator asks and let it dry fully.

Every number this part goes byCX FSF · CXFSF

Retail name:: CX FSF
Retail name:: CXFSF

Sellers list any of these; they are the same part.

Will it fit your appliance?

Type your model number and we'll check it against the makers' lists.

Your appliance model

Fits these 1 Miele modelBoost CX1

Miele1 model

Boost CX1 (pre-filter)

Common questionsWhich air filter fits the Miele CX FSF? · How often should I replace the air filter in my Miele CX FSF? · Where can I buy the CX FSF in Australia?

Which air filter fits the Miele CX FSF?: The Miele CX FSF takes the Miele Boost CX1 Fine Dust Filter (CX FSF) (part CX FSF). Compatible filters made to the same specification also fit.
How often should I replace the air filter in my Miele CX FSF?: Every 12 months. Flow slows and performance drops off as the filter fills up, so it's worth doing on time.
Where can I buy the CX FSF in Australia?: We track 3 Australian sellers for the CX FSF; the lowest listed price when we last checked was A$29.90 at Bunnings. Prices are re-checked daily and dated on this page.
How do I fit the CX FSF in a Miele CX FSF?: No tools, a few minutes: 3 steps, listed on this page with the replacement video where the maker has one.
What happens if I don't change it?: Suction drops and the vacuum may cut out on a blocked filter, and a full bag loses suction well before it looks full.

Something looks wrong with the CX FSF match? . Reports go to a person, not a bot.