1.4 Gal. Cool Mist Digital Humidifier for Large Rooms Up To 400 sq. ft.

Stock status: In stock
Country: United Kingdom

The Air Innovations model 509 ultrasonic, cool mist, smart humidifier is one of the top rated, longest running, and most versatile humidifiers available for its size. Key Features: 1.4 gallon tank that runs for a full 70 hours on low (almost 9 nights of sleep) and is completely silent when running. Powerful enough to add humidity to large rooms up to 400 sq. ft., with a programmable built in humidistat that monitors and maintains the humidity level you set. The entire unit and base are made of antimicrobial plastic to prevent bacteria, mold, and mildew growth and it comes with a permanent ceramic filter to help trap impurities in your water. Unlike Vicks, Crane and Essic humidifiers, it also features a 360-degree rotating mist nozzle that helps direct the moisture where you want it.

  • Runs up to 70 hours on low setting
  • Digital LED display
  • 5.2 l capacity water tank
  • Automatic safety shut off turns the unit off when the tank is empty, preventing the motor from burning out
  • Freshen your space with pure, clean moisture with the Air Innovations 1.4 Gal. clean mist smart humidifier
  • Designed to operate quietly for uninterrupted sleep
  • Removes impurities and puts clean, pure moisture back into the air
  • For rooms up to 400 sq. ft.
  • 4 mist settings: Low, Medium, High, Supreme
  • Permanent ceramic filter – It never needs to be replaced
  • Rotating mist nozzle
  • Adjustable humidistat
  • 1 - 24 hour timer
  • 1.4 Gal. capacity
  • Anti-microbial plastic – helps prevent bacteria growth
  • 1-year limited manufacturer's warranty










Maximum coverage area (sq. ft.) 400
Product Depth (in.) 6.5
Product Height (in.) 13.5
Product Width (in.) 9.75
Air Treatment Product Type Tabletop Humidifier
Color Family Whites
Control Type Digital
Humidifier Features Adjustable Humidistat,Automatic Moisture Control,Automatic Shut Off,Tank Empty Indicator,Timer,Variable Speed
Humidifier Tank Capacity (Gallons) 1.4
Included Items No additional items included
Moisture dispersion type Cool mist
Number of Fan Speeds 4 or More
Product Weight (lb.) 3.39lb
Returnable 90-Day
Room Size (sq. ft.) Medium (400-1000 sq. ft.)
Run time (hours/tank) 70
Voltage (volts) 120
Water Filter Replacement Model# na
Certifications and Listings 1-UL Listed
Manufacturer Warranty 1 Year Limited Warranty