Blueair Classic 490i filter
The Blueair Classic 490i takes the Blueair Classic 400 series Particle filter (part 402PF) as its filter; replace it every 6 months; Australian sellers list it from A$89.99 as of 1 August 2026. This fit is listed by sellers and not yet confirmed against the manufacturer's list.
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Your air purifier
Blueair Classic 490i
Air purifier · Classic 400
Takes this filter
Classic 400 series Particle filter
402PF
Listed by sellers as compatible, not yet confirmed against the manufacturer's list — check the code on your old filter.
The right filter for Classic 490i
Blueair Classic 400 series Particle filter
- Replace every 6 months
- Fits inside the fridge
- Fits 3 models
The particle filter for Blueair Classic 400 series purifiers (405, 480i, 490i). Change every six months, or when the app or filter light says so on the i models.
Reduces
- Fine dust, pollen and allergens
- Fits
- Classic 400 series
- Lasts
- 6 months
Every number this part goes by
- Retail name:
- 402 PF
- Retail name:
- Classic 400 particle filter
- Retail name:
- F400PA
Where to buy
Every seller we track for this part, cheapest first. Genuine is the manufacturer's own part; compatible is a third-party filter made to fit. Prices are re-checked daily where the seller publishes them. Last checked 1 August 2026.
How long it lasts
Replace every 6 months — the appliance's filter light tells you when.
After fitting: Press and hold the button until the filter light goes out (about 5 seconds).
Flow slows and taste drops off as the filter fills up. Changing on time is the whole point of the filter.
Not due yet?
This filter is due every 6 months. We'll email you when it's time — free, no spam.
Fitting it
A few minutes, no tools. Watch it done, then follow the steps.
- 1Switch the purifier off and unplug it.
- 2Grip the edges of the front grille and pull it straight off (it is held by magnets). On 400/500/600 units do the same at the back.
- 3Slide the old flat filter(s) out and slide the new ones in the same way round, pleats facing out.
- 4Push the grilles back on, plug in, and hold the button until the filter light goes out.
About your Blueair Classic 490i
Blueair air purifier, air purifier — Classic 400. Its filter is the Classic 400 series Particle filter, part 402PF, changed every 6 months.
Also in this air purifier: Blueair Classic 400 series DualProtection filter (every 6 months). Worth replacing together — one job, not two.
Checking the model number: The model number is on the rating label on the bottom or back of the purifier; the old filter usually has its own code printed on the frame.
Fits these models
Blueair3 models
Common questions
- Which filter fits the Blueair Classic 490i?
- The Blueair Classic 490i takes the Blueair Classic 400 series Particle filter (part 402PF). Compatible filters made to the same specification also fit.
- How often should I replace the filter in my Blueair Classic 490i?
- Every 6 months. Flow slows and performance drops off as the filter fills up, so it's worth doing on time.
- Where can I buy the 402PF in Australia?
- We track 1 Australian seller for the 402PF; the lowest listed price when we last checked was A$89.99 at blueair-au. Prices are re-checked daily and dated on this page.
- How do I fit the 402PF in a Blueair Classic 490i?
- No tools, a few minutes: 4 steps, listed on this page with the replacement video where the maker has one.
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