FIG. 1 is an exploded top and left-front perspective view of an immunoassay test kit or the like showing my new design;

FIG. 2 is a bottom plan view thereof with the top filter unit in a fixed position;

FIG. 3 is a top plan view of FIG. 2;

FIG. 4 is a rear elevational view of FIG. 3;

FIG. 5 is a front elevational view of FIG. 3;

FIG. 6 is a left side elevational view of FIG. 3;

FIG. 7 is a right side elevational view of FIG. 3.