Alen BreatheSmart 75i True HEPA Air Purifier



Filter: Pure/Fresh/Pet/Heavy Odor

  • Don't Wonder If It's Working. Know It Is.

    Alen’s advanced particle sensor technology always lets you know the status of the air quality around you with vivid LED color rings. And when harmful particles are detected, Auto-mode can automatically adjust purifying power to keep your air pure 24/7.

  • Cleans 1,300 SqFt Every 30 Minutes

    Our most quiet and powerful air purifier is perfectly sized for large rooms or open plan living spaces. From the main room to the master bedroom, the BreatheSmart 75i has you covered.

  • Customized For


    Our long-lasting antimicrobial True HEPA filters cover all major concerns: Allergies, dust, mold, bacteria, and VOCs, plus odors from cooking, pets, diapers, and sweaty apparel. Alen’s proprietary antimicrobial treatment kills bacteria and inhibits mold and fungi, while our exclusive nontoxic odor-eliminating technology destroys unwanted smells at the molecular level.

  • Lifetime Peace Of


    When you purchase an Alen air purifier, we proudly support it with the industry’s first and only lifetime warranty. If anything goes wrong, our in-house experts will help you solve the problem. If they can’t, we’ll happily ship you a free replacement—fast!

  • The Sound Of

    Better Sleep.

    The BreatheSmart 75i is incredibly quiet, and perfectly tuned to generate soothing pink noise - a frequency to help you sleep up to 25% better. At bedtime, display lighting dims or darkens completely with one touch for a perfect sleeping environment.

Product Description


Discover our most advanced and powerful True HEPA purifier, offering an unmatched combination of effective room coverage and quietness. It’s ideal for large and open-concept spaces up to 1.300 SqFt, such as living rooms, lofts, apartments, offices, kitchens, master bedrooms, basements, and more. Remove 99.97% of dust, allergens, chemical pollutants, and other harmful contaminants.

  •      · Know it’s Working– 75i senses and rates particle levels in clear LED colors
  •      · Set and Forget– For 24/7 protection, Auto mode adjusts fan speed to keep air pure
  •      · Whisper Quiet- Tuned to produce soothing pink noise for 25% better sleep
  •      · Guaranteed Forever- Lifetime peace of mind from the industry’s best warranty
  •      · Tailored to You– True HEPA filter options for unique concerns plus designer panels






Filtration Rate


Noise Level


Sound Type


Speed Settings





Cubic Feet Per Minute



Clean Air Deliver Rate



Filter Life


Filter Cost





Power Supply


Cord Length


Power Consumption


Energy Star



Up to 1,300 sq. ft. (120.77 m2) | Cleans all air in room every 30 minutes @ highest setting



Removes 99.97% of particles greater than 0.3 microns

Lowest Speed 25 dBa | Highest Speed 49 dBa

Pink Noise | All speeds



Automatic speed adjustment and coordinated to 5 color rings/speeds

Speed 1: 95 CFM | Speed 2: 170 CFM | Speed 3: 240 CFM | Speed 4: 280 CFM | Turbo: 350 CFM


12 months | @ Recommended 24hr/day operation


0 PPM when disengaged, less than 0.001 PPM with optional ionizer engaged

220 AV, 50HZ (3 Prong Power Cord)

8ft (240cm)

1.8 to 45 watts



H 27" (68.58 cm) x W 18.5" (46.99 cm) x D 11.5" (29.21 cm)


27 lbs (12.2 kg)

Lifetime | with Product Registration & Active Filter Subscription

What's In The Box

BreatheSmart 75i Air Purifier

75i True HEPA filter

Designer panel (optional)

Quick start guide