Blueair - Genuine Blue Pure F3MAX Filter for 311i Max Air Purifier, AHAM Certified, HEPASilent, 99.97% Particle Filter - White

Blueair genuine filter

For Blue Pure 311i Max (B0BN2LZ9JH)air purifiers; Blueair genuine Blue Pure F3MAX Replacement filter for 311i Max Series is designed for optimal performance, efficient filtration, proper airflow and consistent clean air throughout your home. NOT COMPATABLE WITH BLUE PURE 311i PLUS or 311 AUTO

Let's clear the air better

Enjoy cleaner, fresher air for your family, guests, and pets. Removes 99.97% of airborne particles like dust, pollen, smoke, mold allergens, and pet dander while the activated carbon filter helps reduce unwanted household odors.

Most awarded air purifier brand in the US

Independently tested for performance, Zero Ozone; AHAM verified air purifier filter replacement delivers consistent clean air delivery rate (CADR) performance with Zero Ozone certification and Quiet Mark approval for reliable home air quality improvement.

Designed for your Blueair purifier

Genuine Blueair replacement filters help ensure optimal airflow and trusted filtration performance, helping capture dust, pollen, smoke, pet dander, and odors as intended. Filters not designed by Blueair may compromise Blueair units and clean air performance.

¹When similar CADR was measured, Blueair models with mechanical and electrostatic filtration achieved less noise with less energy than same models with only H13 HEPA mechanical filtration.

²Tested PM 2.5 (0.1 - 2.5 microns) up to 90min in a 30m3 room. Tested to remove min. 99.9% of S. aureus, K. pneumoniae, P. aeruginosa, MS2, E.Coli, H1N1, A.Niger.

³Based on a survey of over 50 awards, accolades, and recommendations issued by independent consumer associations, media publications and industry competitions from 1/1/22-1/31/23, for products sold in the US by top 10 air purifier brands, NPD Group, Small Appliances, U.S. sales dollars 1/1–12/31/22.