The ornamental design for a shroudfloorfan, as shown and described.
FIG. 1 is a left front perspective view of the shroud floor fan.
FIG. 2 is right front perspective view of the shroud floor fan design of FIG. 1.
FIG. 3 is a left rear perspective view of the shroud floor fan design of FIG. 1.
FIG. 4 is a right rear perspective view of the shroud floor fan design of FIG. 1.
FIG. 5 is a left side view of the shroud floor fan design of FIG. 1.
FIG. 6 is a right side view of the shroud floor fan design of FIG. 1.
FIG. 7 is a front view of the shroud floor fan design of FIG. 1.
FIG. 8 is a rear view of the shroud floor fan design of FIG. 1.
FIG. 9 is top view of the shroud floor fan design of FIG. 1; and,
FIG. 10 is bottom view of the shroud floor fan design of FIG. 1.
The broken line showing of the handle, stand and other portions of the shroud floor fan is included for the purpose of illustrating environmental structure and forms no part of the claimed design.