Skip to content
Free Shipping To Lower 48 USA and No Sales Tax
Free Shipping To Lower 48 USA and No Sales Tax

Alen BreatheSmart FLEX True HEPA Air Purifier -Oak

Original price $388.00 - Original price $418.00
Original price
$388.00 - $418.00
Current price $388.00

Alen BreatheSmart FLEX True HEPA Air Purifier


Experience Alen’s world-class True HEPA (H13) air cleaning performance at an incredible value. The FLEX quietly purifies up to 700 SqFt of air every 30 minutes, capturing 99.99% of airborne dust, allergens, and other contaminants. In a study by SleepScore Labs, FLEX was proven to improve sleep by helping people, who suffered from allergies, fall asleep faster and wake refreshed. In addition, the options to mix and match color panels and filter choices creates a versatile and functional option for cleaning the air in FLEXible spaces.

  • Tailored to You– True HEPA (H13) filter options for unique concerns plus designer panels
  • Whisper Quiet- Tuned to produce soothing pink noise for 25% better sleep
  • SleepScore Validated– A proven path to better sleep and fewer nighttime allergies
  • Guaranteed Forever- Lifetime peace of mind from the industry’s best warranty

Coverage Area

Cleans 700 SqFt Every 30 Minutes

Enjoy top-rated Alen purification at an incredible value. Our most popular air purifier for commercial use is perfectly sized for medium-sized rooms, apartments or condos, and bedrooms. From gyms to doctor’s offices to animal shelters, the FLEX offers flexible options for any air quality concerns.


Medical-Grade Protection

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

Guaranteed Forever

Lifetime Peace of Mind

When you purchase an Alen air purifier, we proudly support it with the industry’s first and only Forever Guarantee*. 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!

Sleep Superbly

Discover Better Rest

Proven to improve sleep and reduce allergies, the BreatheSmart FLEX helped people fall asleep faster, sleep sounder, and wake feeling more refreshed in a peer-reviewed study by SleepScore Labs. FLEX is incredibly quiet and perfectly tuned to generate soothing pink noise—for up to 25% better sleep. And at bedtime, display lighting darkens with one touch.

Perfectly Customizable

Tailored to You

Personalize your Alen purifier with a selection of designer panel colors to fit any room and compliment your decor for today or whenever your styles change. Browse exclusive colors, woodgrains, and metallics on our designer panel page.


  • CFM: Speed 1: 53 CFM | Speed 2: 135 CFM | Speed 3: 147 CFM | Turbo: 187 CFM
  • CADR225
  • Cord Length: 7ft 8inches (233cm)
  • Coverage: Up to 700 SqFt (65.03 m2) | Cleans all air in room every 30 minutes @ highest setting
  • Dimensions: H 25" (63.50 cm) x W 15" (38.10 cm) x D 8.5" (21.59 cm)
  • Energy Star: Yes
  • Filter Cost: $69 | Using "Pure" Filter
  • Filter Life: 12 months | @ Recommended 24hr/day operation
  • Filtration Rate: Removes 99.99% of particles greater than 0.1 microns
  • Noise Level: Lowest Speed 25 dBa | Highest Speed 50 dBa
  • Ozone: 0 PPM
  • Power Consumption: .8 to 50 watts
  • Power Supply: 120 AV, 60HZ (2 Prong Power Cord)
  • Sensor: NA
  • Sound Type: Pink Noise | All speeds
  • Speed Settings: 4
  • Warranty: Forever Guarantee | with Product Registration & Active Filter Subscription
  • Weight: 15 lbs (6.8 kg)

What's In The Box

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

    Compare products

    {"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

    Select first item to compare

    Select second item to compare

    Select third item to compare