Best Buy offers the Pure Guardian 1.3-Gallon Ultrasonic Humidifier, model no. H7550, for $109.99 with free shipping. (This price will show at check-out. Amazon has it for the same price.) That's the lowest total price we could find by $10. It features a 250-sq. ft. humidifying capacity, night light, fungal and mold treatment in water tank, and Ultrasonic technology.
Target offers the Vicks Vaporizer with Night-Light for $12.99. Opt for in-store pickup to avoid the $6.47 shipping charge. (Amazon offers it for the same price.) That's the lowest total price we could find by $7. This 1.5-gallon vaporizer features an automatic shut-off, built-in night-light, and 18 to 24 hour run time.