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

Smart sensor technology always lets you know the status of the air quality around you. And when harmful particles are detected, Auto-mode can automatically adjust purifying power to keep your air clean 24/7.

Customized For Concern

Our 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.

Guaranteed. Forever.

When it comes to quality, performance and customer satisfaction, we stand by our air purifiers for life. Your life.

Read more about our Forever Guarantee here.

Cleans 1,300 Sq. Ft. 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.

The sound of better sleep.

The BreatheSmart 75i is incredibly quiet, and perfectly tuned to only generate soothing pink noise - a frequency to help you sleep up to 25% better.


  • Clean Air Deliver Rate (CADR)
  • Cubic Feet Per Minute (CFM)
    Speed 1: 95 CFM | Speed 2: 170 CFM | Speed 3: 240 CFM | Speed 4: 280 CFM | Turbo: 350 CFM
  • Cord length
    8ft (240cm)
  • Coverage
    Up to 1,300 sq. ft. (120.77 m2) | Cleans all air in room every 30 minutes @ highest setting
  • Dimensions
    H 27" (68.58 cm) x W 18.5" (46.99 cm) x D 11.5" (29.21 cm)
  • Energy star
  • Filter cost
    $99 | Using "Pure" Filter
  • Filter life
    15 months | @ Recommended 24hr/day operation
  • Filtration rate
    Removes 99.97% of particles greater than 0.3 microns
  • Noise level
    Lowest Speed 25 dBa | Highest Speed 49 dBa
  • Ozone
    0 PPM when disengaged, less than 0.001 PPM with optional ionizer engaged
  • Power consumption
    1.8 to 45 watts
  • Power supply
    120 AV, 60HZ (3 Prong Power Cord)
  • Sensor
    Automatic speed adjustment and coordinated to 5 color rings/speeds
  • Sound type
    Pink Noise | All speeds
  • Speed settings
  • Warranty
    Lifetime | with Product Registration & Active Filter Subscription
  • Weight
    27 lbs (12.2 kg)

What's in the box

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