Classic 400 Series DualProtection Filter

Classic 400 Series DualProtection Filter

Name: Classic 400 Series DualProtection Filter
Brand: Blueair
Availability: InStock
Rating: 3.7 (37 reviews)

DualProtection

Compatible with 403 • 405 • 450E • 402 • 410 • 455EB

3.7

Rated 3.7 out of 5 stars

37 Reviews

Classic 400 Series Particle Filter

This filter is only compatible with Classic 403 • 405 • 450E • 402 • 410 • 455EB • 480i Air Purifier

Designed for easy replacements, ensuring hassle-free maintenance for continuous clean air
Crafted with durable materials for a long-lasting filter
Effectively captures allergens like dust, pollen, and pet dander

App & Wifi connectivity
Alerts when you need a new a filter
RealTrack filter monitoring

Smart Filtration, you can trust

Is this the right filter for you?

Find the Blueair model name on the label inside your air purifier.
Accurate filter lifetime tracking

Blueair’s proprietary RealTrack algorithm accurately calculates the remaining filter lifetime based on fan speed, usage time and pollution levels.

Main Filter

Captures airborne particles including, PM 2.5, pollen, dust mite matter allergen & pet dander allergen

Activated Carbon

Traps light household odors from smoke, cooking odors and more

Meet our filters

Particle & Carbon

Our original filter. Removes allergens and traps light household odors from pets, cooking and smoke
SmokeBlock

2x more activated carbon than our original filter. Removes up to 99.99%³ of wildfire smoke
AllergenBlock⁵

Extra protection against allergens. Traps and neutralizes dust, pollen and pet dander

FAQ

What air purifier is this filter compatible with?

This filter is compatible with the following Classic family models: 402, 403, 405, 410, 450E, 455EB, 480i.

How does this filter differ from the Classic Series Particle filter?

Classic DualProtection filters feature a highly-porous, lightweight carbon mesh that is extremely efficient at removing both particle and gaseous (odors, exhaust, smoke odors, and chemicals) pollutants from the air. Whereas Classic Particle filters are highly efficient in the removal of particle pollutants like pollen, dust, mold, viruses, and fine smoke particles.

How do I know when it’s time to change my filter?

3.7

Rated 3.7 out of 5 stars

Based on 37 reviews

Total 5 star reviews: 20 Total 4 star reviews: 4 Total 3 star reviews: 2 Total 2 star reviews: 3 Total 1 star reviews: 8

65%would recommend this product

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37 reviews

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JL
Joann L. H.
Verified Buyer
I recommend this product
Rated 5 out of 5 stars
8 hours ago
The best air filtering
Happy Home & Office . We have two units that serve us. The 6 mo replacement filter change is mandatory if one wants clean air!
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DS
Donald S.
Verified Buyer
I recommend this product
Rated 4 out of 5 stars
1 week ago
what is this question
previous filters were doing their job! Quite grey, new ones are beautifully white.
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OI
Owen I.
Verified Buyer
I do not recommend this product
Rated 2 out of 5 stars
3 weeks ago
Q
Q
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BlueEU Staging
1 week ago
Thanks for taking the time to leave a review of the Classic 400 Series DualProtection Filter. Your comment was brief, so we reached out to you directly to learn more about your experience and see how we can help. We're here to make sure the filter delivers the performance you expect.
FS
Fred S.
I recommend this product
Rated 5 out of 5 stars
2 months ago
Blue Air Filter Specification
The Blue Air filters work very well and filter down to 1 micron. I have noticed that several marketers are selling knock offs which I doubt have the same filtering specs. It would be interesting to see the competition publish data.
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SB
Susan B.
I recommend this product
Rated 5 out of 5 stars
3 months ago
new filter for treasured blue air classic
when I bought my Blue Air purifier classic 400 series many years ago for my NYC apt -it was the best decision, and I have benefitted ever since. I recently purchased a new dual protection filter for my treasured blue air classic and am happy to recognize the quality and dependability of the Blue air purifiers
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