FIG. 1 is a front perspective view of a tube showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a front perspective view, shown in sealed condition;

FIG. 5 is a rear perspective view of FIG. 4;

FIG. 6 is a front elevational view of FIG. 4;

FIG. 7 is a front perspective view of a second embodiment of the tube as disclosed in FIG. 1;

FIG. 8 is a rear perspective view of FIG. 7;

FIG. 9 is a front elevational view of FIG. 7;

FIG. 10 is a front perspective view, shown in sealed condition;

FIG. 11 is a rear perspective view of FIG. 10;

FIG. 12 is a front elevational view of FIG. 10;

FIG. 13 is a front perspective view of a third embodiment of the tube as disclosed in FIG. 1;

FIG. 14 is a rear perspective view of FIG. 13;

FIG. 15 is a front elevational view of FIG. 13;

FIG. 16 is a front perspective view, shown in sealed condition;

FIG. 17 is a rear perspective view of FIG. 16;

FIG. 18 is a front elevational view of FIG. 16;

FIG. 19 is a front perspective view of a fourth embodiment of the tube as disclosed in FIG. 1;

FIG. 20 is a rear perspective view of FIG. 19;

FIG. 21 is a front elevational view of FIG. 19;

FIG. 22 is a front perspective view, shown in sealed condition;

FIG. 23 is a rear perspective view of FIG. 22; and,

FIG. 24 is a front elevational view of FIG. 22.