Good for daily use. Noise level is acceptable but not the quietest.
Blueair
Classic 400 Series Particle Filter
Particle filter for Classic 400 series. HEPASilent™ technology for superior particle capture.
Key Features
- HEPASilent™ technology
- 99.97% particle capture
- For Classic 400 series
- Whisper-quiet
Key Features
Engineered for Pure Air
Particle filter for Classic 400 series. HEPASilent™ technology for superior particle capture.Technical Details
Full Specifications
Genuine Particle replacement filter for Blueair Classic 400 series air purifiers. HEPASilent™ technology captures 99.97% of airborne particles.
- Compatible With
- Classic 405 / 480i / 490i
- Filter Type
- Particle
- Replacement
- Every 6 months
- Warranty
- 30 Days
Customer Reviews
See Why Customers Love the Classic 400 Series Particle Filter
Decent product. It does the job but I expected more for the price.
The smart features are fantastic. I love being able to control it from my phone.
We bought two for our home. The air feels so much cleaner now.
Worth every dollar. Premium quality that you can feel and see.
Great performance and nice design. Would love more colour options.
The smart features are fantastic. I love being able to control it from my phone.
Excellent air purification. The app could use some improvement.
Worth every dollar. Premium quality that you can feel and see.
Very good product overall. I wish it was a bit more affordable.
Common Questions
Frequently Asked Questions About the Blueair Classic 400 Series Particle Filter
Yes. Pure & Co only stocks genuine manufacturer filters. Third-party knock-offs are never sold - ensuring optimal performance and warranty compliance.
Yes. We offer a 30-day return policy on unused products in original packaging. See the Return Policy page for full details.






