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Will not fit breathesmart FIT50 or BreatheSmart FLEX. True hepa: multipurpose air filter made with a compound that inhibits the growth of bacteria and mold spores.
Replacement air filter: for breathesmart classic Air Purifiers ONLY. Find your model: look on the top of the panel of the unit to find the name on the Alen air purifier BreatheSmart Classic is the only one that just says “BreatheSmart”. Long filter life: recommended to change filter once every 10-12 months, or dependent on usage.


Pre-filter removes larger particles in the air like dust, hairs, lint and prolong the life of True HEPA Filter; Premium H13 Grade True HEPA Filter captures 99. 97% of airborne particles down to 01 microns in size, pet fur, creating fresh and purified air for you and your family.
Replace true hepa filter set every 9-12 months and Pre-filter every 3 months for optimal performance. 100% satisfaction Guarantee. Activated carbon filter removes heavy odors from pets, smoke, cooking, wildfire, and VOC’s with the power of more than 0.80 lbs of high-efficiency activated carbon pellets.



99% bacteria, aerosolized viruses, and airborne particles larger than 01 micron. Find your model: look on the top of the panel of the unit to find the name on the Alen air purifier to insure correct fit for the air filter and model type.

Spend less on your electricity bill by replacing your filter today. Hepa 13 rated – non-hepa filters don't pack the same punch when it comes to air quality. These layers remove unpleasant smells from your air. The durabasics compatible alen air filter replacement is made from HEPA 13 / MERV 17 material to perfectly balance filtration with air flow and room circulation.
The initial pre-filter and granulated carbon filter are made from activated carbon. Captures odor – the durabasics replacement alen air filter features 3 stages. Removes particles from air – the main hepa filter captures particles from your air. It will not fit other models. Exact fit for alen breathesmart classic only – this durabasics 3-stage filter is compatible with Alen BreatheSmart Classic air purifiers only. The durabasics compatible Alen BreatheSmart replacement filter can help keep your machine running efficiently.


Perfect for large rooms, offices, schools and open spaces. Perfectly tuned to generate soothing pink noise - a frequency to help you sleep up to better. True hepa filters last 3-5 months longer than standard filters. Quietly powerful: cleans 1300 sqft every 30 minutes and eliminates airborne pollutants fast.
1. Alen
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Dander and Fur, Dust, Pollen, True HEPA Basic Filter for Allergies, Alen Replacement Air Filter for BreatheSmart 45i or Flex
#adAlen #ad - Replacement air filter: for breathesmart Flex & 45i Air Purifiers ONLY. Part number: b4-pure old Part Number FL40-Pure. B4-pure filter: recommended for allergens and Asthma Triggers dust, & mold Pollution, dander, Aerosolized Viruses, pollen, and Bacteria.More information #ad
Extra long filter life: Change Once Every 9-12 Months. True hepa: 3-stage h13 true hepa filtration captures 99. 99% of particles as small as 01 microns. Find your model number on the top panel below the power button.Brand | Alen #ad |
Manufacturer | Alen #ad |
Height | 15 Inches |
Length | 2 Inches |
Weight | 1 Pounds |
Width | 11 Inches |
Part Number | B4-Pure |
Model | B4-Pure |
Warranty | Limited warranty. |
More information #ad
2. Alen
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1-Pack, Hepa-silver-carbon, Alen BF35-Silver-Carbon Air Purifier Replacement Filter
#adAlen #ad - If you own any other BreatheSmart air purifier, find your model below to order the correct air filter. Built with a lightweight layer of activated carbon, True HEPA-Silver filter can also trap light chemical and smoke odors like those from cooking.Will not fit breathesmart FIT50 or BreatheSmart FLEX. True hepa: multipurpose air filter made with a compound that inhibits the growth of bacteria and mold spores.
More information #ad
Medical grade h13 true HEPA layer that removes 99. 99% bacteria, and airborne particles larger than 01 micron. What it captures: mold, dust, light Odors, aerosolized viruses, Bacteria, seasonal allergies, pollen, Dander & Pet Fur. Replacement air filter: for breathesmart classic Air Purifiers ONLY. Find your model: look on the top of the panel of the unit to find the name on the Alen air purifier BreatheSmart Classic is the only one that just says “BreatheSmart”. Long filter life: recommended to change filter once every 10-12 months, or dependent on usage.
Brand | Alen #ad |
Manufacturer | Alen #ad |
Height | 15 Inches |
Length | 17 Inches |
Weight | 2.6 Pounds |
Width | 3 Inches |
Part Number | BF35-SILVER-CARBON |
Model | BF35-Silver-Carbon |
More information #ad
3. Alen
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True HEPA Basic Filter for Allergies, Pollen, Alen Replacement Air Filter for T500, Dander and Fur, Dust
#adAlen #ad - Long filter life: recommended to change filter once every 6-9 months, or dependent on usage. What’s in the box?: true hEPA-Pure air filter with pre-filters for large airborne debris.More information #ad
True hepa: medical grade h13 true hepa material captures 99. 99% bacteria, aerosolized viruses, and airborne particles larger than 01 micron. What it captures: seasonal Allergies, Pollen, Dust, Dander & Pet Fur. Replacement air filter: for Alen T500 Tower Air Purifier.Brand | Alen #ad |
Manufacturer | Alen #ad |
Height | 2 Inches |
Length | 16 Inches |
Weight | 0.5 Pounds |
Width | 5 Inches |
Part Number | TF60 |
Model | TF60 |
Warranty | Contact seller. |
More information #ad
4. Flintar
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Plus 3 Pre-Filter Replacements, 1-Pack, H13 Grade True HEPA, Compatible with Alen BreatheSmart Flex and 45i Air Purifier, Part # B4-Fresh, Flintar True HEPA Replacement Filter
#adFlintar #ad - Easy to replace and disposable, no tools required. Plus 3 replaceable Pre-Filters for added value. Compatible with alen breathesmart flex and 45i Air Purifier Only, Part # B4-Fresh Old Part # FL40-Silver-Carbon.Pre-filter removes larger particles in the air like dust, hairs, lint and prolong the life of True HEPA Filter; Premium H13 Grade True HEPA Filter captures 99. 97% of airborne particles down to 01 microns in size, pet fur, creating fresh and purified air for you and your family.
More information #ad
Contains one 1 3-stage h13 true hepa filtration system including pre-Filter, H13 Grade True HEPA Filter, and Activated Carbon Filter. Replace true hepa filter set every 9-12 months and Pre-filter every 3 months for optimal performance. 100% satisfaction Guarantee. Activated carbon filter removes heavy odors from pets, smoke, cooking, wildfire, and VOC’s with the power of more than 0.80 lbs of high-efficiency activated carbon pellets.
Brand | Flintar #ad |
Manufacturer | Flintar LLC #ad |
Weight | 0.75 Pounds |
Part Number | B4-Fresh |
Warranty | Manufacturer's warranty for 90 days from purchase date. |
More information #ad
5. Alen
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Alen Air Purifier Replacement Filter, Allergies + Odor + Smoke
#adAlen #ad - True hepa air filter for breathesmart 75i solution for smoke odors, chemical fumes or VOC’s in addition to dust, mold, dander, and seasonal allergies. Secure air flow plastic framed with gaskets to eliminate bypass, which means the air flows through the air filter without any leakage around the edges and color coding by filter type for easy identification.More information #ad
Allergy and asthma friendly environment by removing dust, dander, mold spores, VOC’s, smoke, kitchen odors and pollen from the air. Removable and easy to clean pre-filter screen that extends the lifespan of the filter.Brand | Alen #ad |
Manufacturer | Alen #ad |
Height | 20 Inches |
Length | 15 Inches |
Width | 3 Inches |
Part Number | B7-Fresh |
Model | 75i Fresh Sense AM Replacement Filter |
More information #ad
6. Alen
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Alen TF50-Silver HEPA-Silver Replacement Filter for The Paralda Air Purifier, 1-Pack
#adAlen #ad - Helps maintain a clean household by reducing dust. Provides pure, breathable air by capturing VOCs volatile organic compounds from cleaning products, personal care items and other household materials.More information #ad
Eligible for alen convenient auto ship filter plan with free Lifetime shipping. Protects the filter against growth of harmful bacteria and microbes. Creates an allergy and asthma friendly environment by removing dust, pet dander, mold spores and pollen from the air.Brand | Alen #ad |
Manufacturer | Alen #ad |
Height | 22 Inches |
Length | 5 Inches |
Weight | 0.8 Pounds |
Width | 2 Inches |
Part Number | TF50-Silver |
Model | TF50-Silver |
Warranty | All of alen's air purifiers include a forever guarantee if used in the united states. Please see our website for full details. |
More information #ad
7. Alen
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Bacteria, Alen FF50-Silver-Carbon Replacement Air Filter, Allergies, Dust + Mold, Light Smoke
#adAlen #ad - True hepa: multipurpose air filter made with a compound that inhibits the growth of bacteria and mold spores. Medical grade h13 true HEPA layer that removes 99.99% bacteria, aerosolized viruses, and airborne particles larger than 01 micron. Find your model: look on the top of the panel of the unit to find the name on the Alen air purifier to insure correct fit for the air filter and model type.
More information #ad
Long filter life: recommended to change filter once every 9-12 months, or dependent on usage. Replacement filter: for BreatheSmart FIT50 Air Purifiers ONLY. What it captures: mold, cooking odors, dust, bacteria, allergens, light smoke, pollen, dander & pet fur.Brand | Alen #ad |
Manufacturer | Alen #ad |
Height | 15.5 Inches |
Length | 13.75 Inches |
Weight | 2.5 Pounds |
Width | 3.25 Inches |
Part Number | FF50-Silver-Carbon |
Model | FF50-Silver Carbon |
Warranty | Contact alen. |
More information #ad
8. Durabasics
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BF35 & Breathe Smart Filter, Replacement for Allen Air Filters, Durabasics HEPA Filter for Alen Air Purifier Filter Classic, Durabasics BF35 VOC Filter Fits Alen BreatheSmart Classic Air Purifier
#adDurabasics #ad - This can cause your air purifier to work harder and use more electricity. This includes dust, dander, pet fur, and much more. The durabasics compatible Alen Filter replacement helps keep your air fresh and clean. Our replacement alen BreatheSmart filter helps keep your air clean and machine running smoothly.Spend less on your electricity bill by replacing your filter today. Hepa 13 rated – non-hepa filters don't pack the same punch when it comes to air quality. These layers remove unpleasant smells from your air. The durabasics compatible alen air filter replacement is made from HEPA 13 / MERV 17 material to perfectly balance filtration with air flow and room circulation.
More information #ad
Our replacement allen breatheSmart filter can help rid your home from pungent cooking smells, pet odors, and smoke. The initial pre-filter and granulated carbon filter are made from activated carbon. Captures odor – the durabasics replacement alen air filter features 3 stages. Removes particles from air – the main hepa filter captures particles from your air. It will not fit other models. Exact fit for alen breathesmart classic only – this durabasics 3-stage filter is compatible with Alen BreatheSmart Classic air purifiers only. The durabasics compatible Alen BreatheSmart replacement filter can help keep your machine running efficiently.
Brand | Durabasics #ad |
Manufacturer | Durabasics #ad |
Part Number | Classic & BF35 |
Model | Classic & BF35 |
More information #ad
9. Nispira
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Nispira True HEPA Filter Carbon Pre Filter Compatible with Alen BreatheSmart T500 Tower Air Purifier. Compared to Part TF60, 2 Packs
#adNispira #ad - Quality meets or exceeds leading national brands. Charcoal filter deodorizes unfavorable household smell and traps dust, hair etc from the air. Nispira hepa filter + activated charcoal filter replacement compatible with Alen BreatheSmart T500 Tower Air Purifier,.More information #ad
100% customer satisfaction guaranteed. Hepa filter filters up to 99. 97 percent of airborne particles as small as 03 microns. Dimension of packaging is 16 x 5 x 2 inches. 2 filters included. Approx. Compared to Part TF60 .Brand | Nispira #ad |
Manufacturer | Nispira #ad |
Height | 1.1 Inches |
Length | 15.25 Inches |
Width | 4.7 Inches |
Part Number | HBTF60 |
Model | HBTF60 |
More information #ad
10. Alen
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99.99% Airborne Particle Removal, Allergies, Medical Grade Filtration H13 True HEPA for 1300 Sqft, in White, Captures Allergens, Alen BreatheSmart 75i Large Room Air Purifier, Mold, Bacteria
#adAlen #ad - B7-pure filter: Standard filter that helps eliminate asthma and allergy triggers. Blue = excellent, orange = fair, green = Good, Red = Poor, Purple = Bad air quality high levels of particles.Perfect for large rooms, offices, schools and open spaces. Perfectly tuned to generate soothing pink noise - a frequency to help you sleep up to better. True hepa filters last 3-5 months longer than standard filters. Quietly powerful: cleans 1300 sqft every 30 minutes and eliminates airborne pollutants fast.
More information #ad
Recommended for: dust, dander, allergens, pet fur, and odors. True hepa: includes a medical grade h13 true hepa layer that captures 99. 99% bacteria, aerosolized viruses, and airborne particles larger than 01 micron. 5 air quality colors: a laser smart sensor detects airborne particles and auto-adjusts with air quality changes.Brand | Alen #ad |
Manufacturer | Alen #ad |
Height | 27 Inches |
Length | 12 Inches |
Weight | 35 Pounds |
Width | 19 Inches |
Part Number | 75i-Pure |
Model | 75i-Pure |
Warranty | All alen's air purifiers include a warranty if used in the contiguous united states only. |
More information #ad