F3MAX SmokeBlock Replacement Filter for 311i Max
C$77.99
F3MAX SmokeBlock Replacement Filter for 311i Max

F3MAX SmokeBlock Replacement Filter for 311i Max

Compatible with Blue Pure 311i Max; Not compatible with Blue Pure 311i+ Max • 311 Auto
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C$77.99
Blueair Diagram showing which air purifier model should be used for the filter
Blue Pure 311i Max replacement filter

Designed specifically for the Blue Pure 311i Max.


Find the name of your air purifier on the label inside your air purifier.

Blueair Blueair SmokeBlock uses 2x more activated carbon
2x more activated carbon

Removes up to 99.99% of wildfire smoke* along with extra protection against other wildfire emissions

such as toxic gasses, smog, and odors**

Blueair Fabric pre-filter
Fabric pre-filter

The first layer of protection, catches larger particles from the air.

Blueair Main filter
Main filter

Removes airborne allergens, like pollen, dust mite matter allergen, pet dander, germs, mold, bacteria & viruses.

Blueair Activated carbon
Activated carbon

Traps strong household odors from smoke and wildfire particles.

Blueair Blueair RealTrack Technology
Real-time filter
lifetime status

Blueair's proprietary RealTrack algorithm accurately calculates the remaining filter lifetime based on fan speed, usage time, and pollution levels.

Blueair Blueair genuine filter
Genuine Blueair
replacement filter

Protect your air purifier from damage

caused by unofficial filters.

Details
Blueair Image
Minimizes unhealthy allergens and germs*

The particle filter layer helps to minimize the airborne particles that can trigger allergy symptoms, including pollen, dust, mold spores*, pet dander, viruses*, bacteria*, and fine smoke particles.

Blueair Works 24/7, for six months straight
Works 24/7, for six months straight

To maintain optimal performance, we recommend changing your filter about once every 6-months when used 24 hours a day. Don't forget to save with our subscription program.

Blueair Keeps clean air flowing, resists clogging
Keeps clean air flowing, resists clogging

This filter's unique structure is designed to filter high volumes of air while trapping even the smallest particles. It maintains maximum airflow because it's engineered to resist clogging.

  • Recommended filter change
    6 months (4,380 hours) when used 24 hours a day
  • Number of filters
    1
F3MAX SmokeBlock Replacement Filter for 311i Max
What model air purifier is this filter compatible with?

This filter is compatible with the Blue Pure 311i Max air purifier.

What is a filter subscription?

Purchasing a filter subscription saves you 15% on all future replacement filter orders + free shipping. At the time of purchase, the subscription will automatically schedule filter deliveries at the recommended six months. You can always adjust this timeframe from the 'My Account' section.

Reviews

¹ A flat shipping rate of $25.00 will be charged on filter shipments to Alaska, Hawaii, and Puerto Rico. Additional charges may apply for shipments over 30 lbs. A flat shipping rate of $5 will be charged on orders under $39 that are not part of filter subscription.


*Compared to standard in-unit filter. Based on removal testing of particles 0.4-0.7um in 60min in a 30m3 room. Performance may vary.


**Tested on benzene, toluene, nitrogen oxide, sulfur dioxide in 30 min.