Product review (5 stars): They Fit PERFECTLY Bell  Howell Cool Ultrasonic Color-Changing Model 9959 Humidifier with XL 1 Gallon Capacity
Filters are PERFECT for my
Bell and Howell Ultrasonic Light Mist Color Changing Humidifier
Bell  Howell Cool Ultrasonic Humidifier with XL 1 Gallon Capacity, Built In Aroma Diffuser, 7 Color Changing Nightlight
Bell+Howell Ultrasonic Color-Changing Humidifier (Model 9959)
They fit and are the identical Filter.
Very happy about that. Thank You!