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 adjusts purifying power to keep your air pure 24/7. 

Cleans 900 SqFt Every 30 Minutes

Compact yet mighty, the FIT50’s sleek & space-saving design offers massive room coverage and pro-grade air-cleaning thanks to an oversized motor and filters. Count on 24/7 protection for medium-sized spaces like bedrooms, kitchens, and even home gyms.

Medical-Grade Protection

Long-lasting True HEPA (H13) filters remove 99.99% of airborne contaminants down to 0.1 microns, including allergens and aerosolized viruses. Alen’s medical-grade filtration is highly effective thanks to powerful airflow, ensuring pure air for your entire room.

Lifetime Peace of Mind

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!

Discover Better Rest

The BreatheSmart FIT50 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 darkens completely with one touch for a perfect sleeping environment.


  • Coverage
    Up to 900 sq. ft. (83.61 m2) | Cleans all air in room every 30 minutes @ highest setting
  • Filtration rate
    Removes 99.99% of particles greater than 0.1 microns
  • Noise level
    Lowest Speed 32 dBa | Highest Speed 49 dBa
  • Sound type
    Pink Noise | All speeds
  • Speed settings
  • Sensor
    Automatic speed adjustment and coordinated to 3 color rings/ 4 speeds
  • Cubic Feet Per Minute (CFM)
    Speed 1: 110 CFM | Speed 2: 142 CFM | Speed 3: 192 CFM | Turbo: 231 CFM
  • Clean Air Deliver Rate (CADR)
  • Filter life
    12 months | @ Recommended 24hr/day operation
  • Filter cost
    $89 | Using "Pure" Filter
  • Ozone
    0 PPM when disengaged, less than 0.0007 PPM with optional ionizer engaged
  • Power supply
    120 AV, 60HZ (3 Prong Power Cord)
  • Cord length
    7ft (213cm)
  • Power consumption
    1.2 to 60 watts
  • Energy star
  • Dimensions
    H 22.25" (56.52 cm) x W 16.75" (42.55 cm) x D 10" (25.40 cm)
  • Weight
    16 lbs (7.3 kg)
  • Warranty
    Lifetime | with Product Registration & Active Filter Subscription

What's in the box

  • BreatheSmart FIT50 air purifier
  • True HEPA Pure filter
  • Designer panel (optional)
  • Quick start guide

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