FIG. 1 is a front elevation view of a reagent container,

FIG. 2 is a rear elevation view thereof,

FIG. 3 is a top plan view thereof,

FIG. 4 is a bottom plan view thereof,

FIG. 5 is a left elevation view thereof,

FIG. 6 is a right elevation view thereof; and,

FIG. 7 is a front perspective view thereof.

The broken line showing of the cartridge in FIG. 7 represents the environment. The broken lines in FIGS. 3 and 4 are included for the purpose of illustrating portions of the reagent container that form no part of the claimed design.