| 摘要 |
An end of service life indicator including an indicating material that reacts to environmental conditions and changes color responsive to such indicator conditions, a transparent protective film disposed over the indicating material, and a fastening system having an adhesive on a bottom side of a bottom portion, wherein a top portion the fastening system supports the transparent protective film and has an opening through which the indicating material is visible through the transparent protective film, and wherein the top portion including the transparent protective film is removable to expose the indicating material. |
