blu air filter

Blueair Blue Pure 411 Replacement Filter Fits Blue Pure 411, 411+, 411 Auto: Carbon, Captures Dust & Odors, 30-Day Warranty

Blueair Blue Pure 211+ Auto Particle and Carbon Replacement Filter

Blueair Blue Pure 511i Max HEPA Silent Air Purifier for Small Rooms up to 926 sq. ft.

Blueair Blue Pure 311i Max HEPA Air Purifier for Medium Rooms up to 1858 sq. ft.