Interface for a single handle valve cartridge

FIG. 1 is an upper perspective view of the interface for a single handle valve cartridge;

FIG. 2 is a lower perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines shown in the drawings represent portions of the single handle valve cartridge that form no part of the claimed design.