Liquid Cooler

FIG. 1 is a top front perspective view of a liquid cooler showing my new design;

FIG. 2 is a bottom rear perspective view thereof;

FIG. 3 is a left elevational view thereof;

FIG. 4 is a right elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front elevational view thereof; and,

FIG. 8 is a back elevational view thereof.

The broken line showing threads and holes is included for the purpose of illustrating environmental structure and forms no part of the claimed design.