Alen
BreatheSmart 45i & FLEX Filters 5 Pack
Best long-term air purification for households managing specific allergen or smoke concerns.
Enhance your home's air quality with this 5-pack of Alen BreatheSmart 45i and FLEX replacement filters. Choose from four specialized options—Pure, Fresh, Odor Neutralizer, or VOC/Smoke—to target your specific air concerns. Featuring medical-grade H13 HEPA filtration, these filters effectively capture 99.9% of particles down to 0.1 microns, including allergens, dust, mold, odors, chemicals, and smoke. Designed for long-lasting performance, each filter typically lasts 9 to 12 months, ensuring a consistently cleaner and healthier living environment.
$293.00
Owner Satisfaction
4.7
/ 5
Category Rank
1
/ 876
Best Air Purifier Filters
Price vs Category Average
+240%
Above average
Filter Type
13
/ Medical-grade H HEPA Air Filter with optional Carbon/Odor Neutralizer
Who it's for
- Value-conscious buyers prioritizing long-term product reliability
- Homeowners seeking cleaner air in larger living spaces
- Busy households wanting to minimize frequent maintenance tasks
Who should skip it
- Users requiring specialized filtration for heavy smoke or dander
- Budget-focused shoppers wary of high upfront costs
- Light sleepers sensitive to fan noise in quiet rooms
Performance breakdown
Filtration Precision
Medical-grade H13 HEPA captures particles down to an impressive 0.1 microns.
Versatility
Four specialized filter options address everything from smoke to household odors.
Longevity
Extended 12-month lifespan minimizes maintenance and reduces long-term replacement costs.
Ease of Installation
Designed for a seamless, quick swap to keep your air clean.
Bulk Value
Five-pack bundle provides significant convenience for long-term air quality management.
Compatibility
Specifically engineered for seamless integration with BreatheSmart 45i and FLEX models.
Key Specs
Filter Type
Medical-grade H13 HEPA Air Filter with optional Carbon/Odor Neutralizer
Compatibility
BreatheSmart 45i and BreatheSmart FLEX models
HEPA Efficiency
Captures 99.9% of particles as small as 0.1 micron
Lifespan
9 to 12 months
Package Quantity
5 filters per pack
HSA/FSA Eligible
Yes (One-time purchase only)
Features
- Optimizes air purification for specific concerns
- Medical-grade H13 HEPA filtration captures tiny particles
- Specialized options for smoke, odors, and allergens
- Designed for easy and quick filter replacement
- Long-lasting performance reduces change frequency
- Captures 99.9% of particles down to 0.1 microns
What customers say
Consumers consistently highlight the exceptional quality of the BreatheSmart 45i, noting a tangible improvement in air purity and a remarkably quiet operation. The bundled FLEX Filters 5 Pack is viewed as a significant value proposition, transforming routine maintenance into a convenient, cost effective process. This combination ensures long term reliability and delivers on the promise of cleaner air without hassle, making it a trusted choice for managing indoor air quality.
Know before you buy
These filters are specifically designed for use with the Alen BreatheSmart 45i and BreatheSmart FLEX air purifier models.
The choice depends on your primary air quality concerns. The Pure filter is standard for allergens and dust, while the Fresh, Odor Neutralizer, and VOC/Smoke options include additional carbon layers to specifically target household odors, chemical vapors, and smoke.
Under normal operating conditions, these filters are designed to last between 9 and 12 months. The exact lifespan will vary depending on your local air quality and how frequently you run your purifier.
Yes, these filters feature medical-grade H13 HEPA technology, which is capable of capturing 99.9% of airborne particles as small as 0.1 microns, including smoke, dust, and allergens.
Yes, these filters are HSA and FSA eligible for one-time purchases, making them a qualified medical expense for many health savings plans.
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