DualProtection Filter Compatible with Blueair Classic Series

Classic Series DualProtection Filter – Compatible with Classic 200/300/400/500/600 Air Purifiers

This replacement DualProtection filter is designed for select Classic series air purifiers. Featuring enhanced 2x activated carbon, it provides extra protection against smoke, cooking odors, and strong household smells, while maintaining high-efficiency particle filtration.

Filtration Function

• Captures airborne particles including dust, pollen, and pet dander
• Dual-layer activated carbon provides enhanced odor reduction
• Effective against smoke, cooking odors, and strong household smells
• Supports consistent air purifier performance and cleaner indoor air

Compatible Model Series

203 • 205 • 270E • 270E Slim • 203 Slim • 303/

403 • 405 • 450E • 402 • 410 • 455EB/

503 • 505 • 603 • 650E • 550E • 501 • 510 • 555EB • 601 • 605

Manufactured by Alleviair

This replacement filter is produced by Alleviair, a professional air filtration manufacturer with advanced production capabilities.

Our facilities include:

• 5 modern filtration manufacturing plants
• Cleanroom production environments
• Advanced dual-layer HEPA and carbon media processing
• Strict quality control and filtration efficiency testing

Alleviair delivers filtration solutions for residential, commercial, industrial, and medical applications, ensuring consistent quality and reliable performance.