The ornamental design for a combined oral jetcleansinghousing and cover therefor, as shown.
FIG. 1 is a perspective view of an oral jet rinse housing and cover showing
my new design including the top, front and one side thereof with the cover
removed from the housing;
FIG. 2 is a top plan view thereof with the cover on the housing;
FIG. 3 is a rear elevational view thereof; and
FIG. 4 is a side elevational view of the side opposite that shown in FIG. 1
.