Top Pick
Top 5 Best Sellers
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Product |
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Reviews |
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1 |
1,757 |
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2 |
2,688 |
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3 |
2,735 |
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4 |
2,296 |
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5 |
791 |
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6 |
2,229 |
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7 |
4,592 |
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8 |
127 |
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9 |
15,432 |
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10 |
0 |
Top 5 Reviews
Bestseller No 1.
Flintar True HEPA Replacement Filter, Compatible with Alen BreatheSmart Flex and 45i Air Purifier Only, H13 Grade True HEPA, Plus 3 Pre-Filter Replacements, Part # B4-Fresh, 1-Pack
- Compatible with Alen BreatheSmart Flex and 45i Air Purifier Only, DO NOT fit any other models. Part # B4-Fresh (Old Part # FL40-Silver-Carbon)
- Contains One (1) 3-Stage H13 True HEPA filtration system including Pre-Filter, H13 Grade True HEPA Filter, and Activated Carbon Filter. PLUS (3) Extra Replaceable Pre-Filters for added value
- Pre-filter removes larger particles in the air like dust, hairs, pet fur, lint and prolong the life of True HEPA Filter; Premium H13 Grade True HEPA Filter captures 99.97% of airborne particles down to 0.1 microns in size, creating fresh and purified air for you and your family
- Activated Carbon Filter removes heavy odors from pets, cooking, smoke, wildfire, and VOC’s with the power of more than 0.80 lbs of high-efficiency activated carbon pellets
- Easy to replace and disposable, no tools required. Replace True HEPA Filter Set every 9-12 months and Pre-filter every 3 months for optimal performance. 100% Satisfaction Guarantee
Bestseller No 2.
Alen Replacement Air Filter for BreatheSmart 45i or Flex, True HEPA Basic Filter for Allergies, Pollen, Dust, Dander and Fur
- REPLACEMENT AIR FILTER: For BreatheSmart Flex & 45i Air Purifiers ONLY. Find your model number on the top panel below the power button.
- B4-PURE FILTER: Recommended for Allergens and Asthma Triggers (dust, dander, pollen, & mold) Pollution, Aerosolized Viruses, and Bacteria.
- TRUE HEPA: 3-Stage H13 True HEPA filtration captures 99.99% of particles as small as 0.1 microns.
- EXTRA LONG FILTER LIFE: Change Once Every 9-12 Months.
- PART NUMBER: B4-Pure (Old Part Number FL40-Pure)
Bestseller No 3.
Vegebe True HEPA Filter Replacement BF35 Compatible with Alen BreatheSmart Classic Large Room Air Purifier, Basic Filter for Allergies, Pollen, Dust, Dander and Fur – 1 Pack
- Compatible with Alen BreatheSmart Classic Only: Our BF35 replacement air filter for BreatheSmart Classic air purifiers only. It does not fit other models. Please identify your air purifier model before ordering.
- 2-in-1 TRUE HEPA Filter: Premium TRUE HEPA filter captures 99.97% of airborne particles larger than 0.3 micron, such as seasonal allergies, smoke, dust, pollen, dander & pet fur. The Activated Carbon Pre-filter reduces unwanted odors from pets, smoke, cooking fumes, and traps large dust particles, helping to extend the life of HEPA filter.
- Breath Fresh Air: Greatly improve air quality with high-efficiency HEPA technology that absorbs everyday pollutants that affect air purity. Its an ideal product for a healthier, happier life.
- Easy Installation: No tools required, easily adapt to the original. For best performance, the single combination filter needs to be replaced every 10-12 months depending on the usage of the product.
- Reliable: Our responsive customer service team is fully committed to ensuring you have the best experience possible! If you have any questions or concerns, please contact us and we will answer ASAP!
Bestseller No 4.
Alen BF35-MP Replacement Air Filter for BreatheSmart Classic — True HEPA Filter to Remove Dust, Pollen, Home Odor and Small Particles — Air Cleaner for Pet Odor, Fur and Dander — 1 Filter
- REPLACEMENT AIR FILTER: Our HEPA air filter replacement is specifically designed for the Alen BreatheSmart Classic air purifier. When inserted into the BreatheSmart Classic, this filter can clean 1,100 SqFt. of air every 30 minutes.
- WHAT IT CAPTURES: This Alen air purifier filter is fantastic for an allergy sufferer in your home. The filters medical-grade H13 True HEPA layer removes 99.99% of airborne particles larger than 0.1 microns. Its great for removing pet dander, dust and pollen.
- TRUE HEPA FILTER: Our high-quality HEPA filter is made with a proprietary odor-absorbing compound that destroys unwanted household smells at the molecular level. It is the perfect molecule filter for removing unwanted pet odors from the air. It can also eliminate overpowering scents from cooking (e.g. smoke from a burnt meal). The purifier filter can also get rid of diaper bin odors and powerful scents from a kids room
- LONG FILTER LIFE: Our Breathesmart replacement cartridge is manufactured to be long lasting. Using our filter, youll get up to 12 months of pure air production that will make your home, apartment or office smell cleaner.
- FIND YOUR MODEL: Alen air purifiers for home make it easy to purchase replacement air filters. Simply look on the top panel of the unit to find out which type of air filter youll need to order. For this filter, the writing on the purifier should read BreatheSmart.
Bestseller No 5.
Alen FF50-Silver-Carbon Replacement Air Filter, Light Smoke, Allergies, Dust + Mold, Bacteria
- REPLACEMENT FILTER: For BreatheSmart FIT50 Air Purifiers ONLY.
- WHAT IT CAPTURES: Mold, bacteria, light smoke, cooking odors, allergens, pollen, dust, dander & pet fur.
- 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 0.1 micron.
- LONG FILTER LIFE: Recommended to change filter once every 9-12 months, or dependent on usage.
- 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.
Bestseller No 6.
Alen BreatheSmart Classic Large Room Air Purifier, Medical Grade Filtration H13 True HEPA for 1100 Sqft, 99.99% Airborne Particle Removal, Captures Allergens & Dust, in Stainless
- RECOMMENDED FOR: Dust, dander, allergens, pet fur, and odors. Perfect for large rooms, offices, schools, and open spaces.
- PURE FILTER: Standard filter that helps relieve allergy and asthma symptoms including runny nose, congestion, shortness of breath, and sneezing.
- TRUE HEPA: Includes a Medical Grade H13 True HEPA layer that captures 99.99% bacteria, aerosolized viruses, and airborne particles larger than 0.1 micron. True HEPA filters last 3-5 months longer than standard filters.
- AIR QUALITY SENSOR LIGHT: Blue = Excellent, Orange = Fair, Red = Bad air quality (high levels of particles). On auto mode the sensor will adjust the speed of the fan to clean the air more efficiently.
- ULTRA QUIET: Cleans 1100 SqFt every 30 minutes and eliminates airborne pollutants fast. Perfectly tuned to generate soothing pink noise – a frequency to help you sleep up to better.
- QUALITY ASSURANCE: Designed by NASA airflow engineers and built with high precision. The BreatheSmart Classic has a long service life with a lifetime warranty. CARB Certified. Includes one BF35 True HEPA filter
Bestseller No 7.
Alen FLEX Air Purifier, Quiet Air Flow for Large Rooms, 700 SqFt, Air Cleaner for Allergens, Dust, Mold, Pet Odors with Long Filter Life
- RECOMMENDED FOR: Dust, dander, allergens, pet fur, and odors. Sleek design fits in any space from small to large rooms.
- B4-PURE FILTER: Standard filter that helps eliminate asthma and allergy triggers.
- TRUE HEPA: Includes a Medical Grade H13 True HEPA layer that removes 99.99% bacteria, aerosolized viruses, and airborne particles larger than 0.1 micron. True HEPA filters last 3-5 months longer than standard filters.
- CLEANS AIR FAST: Cleans 700 SqFt every 30 minutes, twice as fast as key competitors on Turbo speed. Perfect for any space from small to extra large bedrooms, living rooms, offices, nurseries, kitchens, and basements.
- SLEEP MODE: Features a “lights out mode”, press the power button once and the lights turn off. SleepScore validated and users feel more rested upon waking. rested the morning.
- LOW ENERGY CONSUMPTION: 50 Watts on Turbo speed. Lowest setting will use less than 50 cents a month in electricity.
Bestseller No 8.
Filter-Monster True HEPA Replacement Compatible with Alen FF50 Air Filter for Allergies and Dust
- Compatible with Alen FF50 for Alen BreatheSmart FIT50 Air Purifier
- Carbon pre-filter acts as first layer of filtration to capture larger particles before reaching HEPA filter, extending life of HEPA filter
- True HEPA filtration removes up to 99.97% of airborne particles as small as 0.3 microns in size including smoke, dust, pollen, pet dander, mold spores and dust mites
- Recommended to replace every 10-12 months for maximum efficiency, or more often depending on air quality and environmental factors
- Approximate Dimensions: 15-1/4 x 13-1/2 x 2-9/10 inches
- Package includes one (1) filter
Bestseller No 10.
LifeSupplyUSA HEPA Filter Replacement Compatible with Alen Air FLEX HEPA-PURE BreatheSmart Air Purifier
- GREAT VALUE: This is a replacement HEPA filter for air purifiers, to help effectively filter airborne particles for healthier living. Each unit has a preliminary carbon layer built in to extend the life of the filter.
- COMPATIBILITY: Compatible with Alen FLEX HEPA-Pure FL40, FL40-Carbon, and FL40-Silver-Carbon air purifiers. Please note that this is a replacement product, not an OEM product.
- GREAT AIR QUALITY: “High-Efficiency Particulate Air” (HEPA) design will filter very fine particles. It targets airborne particles such as dust, lint, dirt, pet hair, dander, fabric fiber, and more. Carbon prolongs the life of the HEPA filter and filter the largest particles that bother your airways, such as hair, lint and dust. It is also an odor remover, cleansing your air of cooking odors and smoke.
- USED BY PROFESSIONALS: LifeSupplyUSA Air Purifiers Filters are made to be durable & efficient for months. Ensure the maximum airflow supply volume & protect your device.
- SIMPLE TO INSTALL: Installation is easy; no tools required. Recommended to replace filter every 9-12 months with occasional use, and every 6-9 months when using your unit on a more regular or day-to-day basis.









