The ornamental design for a top fillultrasonichumidifier, as shown and described.
FIG. 1 is a front elevation view of a top fill ultrasonic humidifier according to an exemplary embodiment of the present design.
FIG. 2 is a rear elevation view of the top fill ultrasonic humidifier of FIG. 1.
FIG. 3 is a left side view of the top fill ultrasonic humidifier of FIG. 1
FIG. 4 is a right side view of the top fill ultrasonic humidifier of FIG. 1.
FIG. 5 a top plan view of the top fill ultrasonic humidifier of FIG. 1.
FIG. 6 is a bottom plan view of the top fill ultrasonic humidifier of FIG. 1.
FIG. 7 is a top front perspective view of the top fill ultrasonic humidifier of FIG. 1; and,
FIG. 8 is a top rear perspective view of the top fill ultrasonic humidifier of FIG. 1.
The broken line showing of parts of the drawings is included for the purpose of illustrating use and environment and forms no part of the claimed design.