Rectangular hemacytometer cover glasses are constructed of clean, noncorrosive glass that meets federal specifications.

• Clear, non-fogging, non-corrosive glass
• Chemical neutral glass will not disturb contents of slide
• Highly resistant to breakage

Propper's Hemacytometer cover glass is designed to fit the exact distance between the cover glass and the Hemacytometer counting chamber. Precisely ground to ensure an exact distance between the cover glass and the surface of the ruled counting area. Cleaned and washed - ready to use.