BLUEAIR Blue Pure 311i+ Max SmokeBlock Genuine Replacement Filter, Extra Carbon Captures 99.99% of Wildfire Smoke, fits Blue Pure 311i+ Max Air Purifier

PuroAir 240 Replacement Filter - Genuine Puro Air 240 Filter Replacement - Official PuroAir Air Purifier HEPA Filter with CarbonTech Filters 99.9% of Pollen, Dust, Pet Dander, Smoke, Odors (2PK)

PuroAir 400 Replacement Filter - Genuine Puro Air 400 Filter Replacement - Official PuroAir Air Purifier HEPA Filter with CarbonTech Filters 99.9% of Pollen, Dust, Pet Dander, Smoke, Odors (2PK)

PuroAir 240 Replacement Filter - Genuine Puro Air 240 Filter Replacement - Official PuroAir Air Purifier HEPA Filter with CarbonTech Filters 99.9% of Pollen, Dust, Pet Dander, Smoke, Odors

BLUEAIR Genuine Blue Pure 511 Replacement Filter for 511 Pure Air Purifiers - AHAM Certified, HEPASilent Dual Filtration, Removes 99.97% of Particles & Odors, Genuine Carbon Filter, 511 Pure Genuine Filter