FIG. 1 is a top front perspective view of a double rail flosser tip cartridge insert showing our new design.

FIG. 2 is a bottom front perspective view thereof.

FIG. 3 is a bottom rear perspective view thereof.

FIG. 4 is a front elevation view thereof.

FIG. 5 is a right side elevation view thereof, the left side elevation view being a mirror image thereof.

FIG. 6 is a back elevation view thereof.

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

FIG. 8 is a bottom plan view thereof.