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10 Best alen flex air purifiers of 2026
Save up to 14% off
Best Choice1
Clicked 1 times in the last monthAlenAlen Air Purifier BreatheSmart 45i HEPA with Odor Filter for Large Rooms up to 1900 Sq. Ft. - Perfect for Bedrooms & Home Offices - Captures Dust - White
9.8Exceptional
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Value for Money2
AlenAlen Air Purifier BreatheSmart 45i HEPA with Pure Filter for Large Rooms |1900 Sq. Ft.| Perfect for Bedrooms & Home Offices - Captures Dust + Pet Dander & Household Odors - White
9.6Exceptional
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3
AlenAlen Air Purifier BreatheSmart Flex HEPA with Pure Filter, Exchange Rate of 700 Sq. Ft in 30 Minutes, 1400 Sq. Ft in 1 hour, Perfect for Bedrooms & Home Offices - White
9.4Excellent
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4
LEVOITLEVOIT Air Purifier for Home Large Room Up to 1073Ft² with Air Quality Monitor, AHAM VERIFIDE, Smart WiFi, Washable Pre-Filter, HEPA Sleep Mode for Pets, Allergies, Dust, Pollen, Vital 100S-P, White
14% OffKey specs-
Noise Level:23 dB
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Particle Size:0.3 Micron
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CADR:143 CFM
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Timer:Set timers with app
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Filtration System:3-stage filtration system
9.3Excellent
Our Rating
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5
AlenAlen BreatheSmart 35i Air Purifier with Medical-grade HEPA Filter with Odor Neutralizer - Ideal for Odor Control and Air Quality Support in 500-1,000 Sq. Ft.
9.2Excellent
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6
AlenAlen 45i & Flex Replacement Air Filter, Pure Filter, B4-Pure H13 True HEPA Filter for BreatheSmart Air Purifier - Captures Dust
8.9Very Good
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AlenAlen 45i & Flex Replacement Air Filter, Pure Filter, B4-Pure H13 True HEPA Filter for BreatheSmart Air Purifier - Captures Dust
8.6Very Good
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8
AlenAlen Air Purifier BreatheSmart 25i HEPA with Essential Filter - 400 Sq. Ft. Perfect for Home and Kitchen, Apartment Essentials - Captures Dust & Odor
8.5Good
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9
Pulluty45i Replacement Filter for Alen Breathesmart Flex Bh400 45i Air Purifier H13 Grade True HEPA Fresh Filter B4-Pure / Fl40
Key specs-
Compatible Devices:Allen BreatheSmart Flex and 45i
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Filtration:3-in-1 True HEPA System
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Performance Rating:99.97% efficiency
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Pack Size:1 combo pack
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Dimensions:14 x 11 x 2 inches
8.4Good
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10
Pulluty45i Replacement Filter for Alen Breathesmart Flex Bh400 45i Air Purifier H13 Grade True HEPA Fresh Filter B4-Pure / Fl40
10% OffKey specs-
Compatible Devices:Allen BreatheSmart Flex and 45i
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Filtration:3-in-1 True HEPA System
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Performance Rating:99.97% efficiency
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Pack Size:1 combo pack
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Dimensions:14 x 11 x 2 inches
8.3Good
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