FitMatch

The Philips HU4209 takes the Philips FY5030/00 Humidification Filter (4000 and 5000 Series HU4209, HU4210, HU5600, HU5710) as its wick filter; replace it every 6 months; Australian sellers list it from A$24.95 each as of 28 October 2026. Fitment confirmed against the manufacturer's compatibility list.

Your humidifier

Humidifier

Confirmed against Philips's list

FY5030/00

Takes the FY5030/00

Wick filter · every 6 months · check the code on your old filter.

Other Philips humidifiers that take the FY5030/00

Genuine

$34.00

Amazon AU · 28 Oct

Compatible

$24.95 each

2-pack $49.90

Amazon AU · 28 Oct

Check seller

Genuine: made by Philips. Compatible: another brand.

Lowest compatible · $24.95 each · 2-pack $49.90

Amazon AU. Compare with genuine below. Some links earn us a commission.

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Compare 2 listings from 1 seller

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

Open cheapest seller · $24.95 each · 2-pack $49.90

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

Not due yet?

Get a nudge when your wick filter is due — it's every 6 months. One email two weeks before, no newsletter. Manage or stop it anytime.

Also saves the model to a FitMatch account under this address; the email signs you in, no password.

How to change the wick filter in your Philips HU4209

Watch the guide or follow the steps.

No clear video for this part yet. The steps cover it.

  1. 1Switch the humidifier off and unplug it.
  2. 2Lift the upper unit off the water tank and take the old filter out of the tank.
  3. 3Unwrap the new filter and put it in the tank, then refit the upper unit.
  4. 4HU4209 and HU4210: plug in and hold the Auto and Mode buttons together for 3 seconds to reset the filter counter.
Every number this part goes by
Retail name:
FY5030
Retail name:
FY5030-00
Retail name:
FY5030/00

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

About your HU4209

Philips humidifier — 4000 Series. Its wick filter is the FY5030/00 Humidification Filter (4000 and 5000 Series HU4209, HU4210, HU5600, HU5710), part FY5030/00, changed every 6 months.

Where the model number is: The model is on the label under or on the back of the unit, and on the box. Unplug it and empty the tank before you turn it over.

Fits these 4 Philips models
Common questions
Which wick filter fits the Philips HU4209?
The Philips HU4209 takes the Philips FY5030/00 Humidification Filter (4000 and 5000 Series HU4209, HU4210, HU5600, HU5710). Compatible filters made to the same specification also fit.
How often should I replace the wick filter in my Philips HU4209?
Every 6 months. It works less well as the filter fills up, so it's worth doing on time.
Where can I buy the FY5030/00 in Australia?
We track 1 Australian seller for the FY5030/00; the lowest listed price when we last checked was A$24.95 at Amazon AU. Prices are re-checked daily and dated on this page.
How do I fit the FY5030/00 in a Philips HU4209?
No tools, a few minutes: 4 steps, listed on this page with the replacement video where the maker has one.
What happens if I don't change it?
A scaled-up wick soaks up less water, so the room gets less moisture for the same running time.
How do I reset the reminder?
HU4209 and HU4210: hold the Auto and Mode buttons together for 3 seconds; the filter alert goes off. Check your manual for the HU5600 and HU5710.

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