The ornamental design for a fluid flowsinker and a fluid flowsinker assembly, as shown and described.
FIG. 1 is a bottom perspective view of a fluid flow sinker and a fluid flow sinker assembly with the fluid flow sinker assembly removed for ease of illustration;
FIG. 2 is a side elevation view thereof, the opposite side being a mirror image;
FIG. 3 is a side elevation view thereof, the opposite side being a mirror image;
FIG. 4 is a top view thereof;
FIG. 5 is a bottom view thereof;
FIG. 6 is a bottom perspective view of a fluid flow sinker and a fluid flow sinker assembly;
FIG. 7 is a side elevation view thereof, the opposite side being a mirror image;
FIG. 8 is a top view thereof;
FIG. 9 is a bottom view thereof; and,
FIG. 10 is a side perspective view of FIG. 1.
The broken lines shown in the figures are included for the purpose of illustrating portions of the fluid flow sinker and fluid flow sinker assembly and form no part of the claimed design.