The ornamental design for an irrigationadapter for shaver, as shown and described.
FIG. 1 is a top perspective view of an irrigation adapter for shaver in accordance with the new design;
FIG. 2 is a right side elevation view thereof, the left side elevation view being a mirror image thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a front elevation view thereof; and,
FIG. 6 is a rear elevation view thereof.
The broken line showing in FIGS. 1, 5 and 6 is included for the purpose of illustrating portions of the irrigation adapter for shaver that form no part of the claimed design.