Include 2 hemocytometer cover glasses. The dimensions are 24mm L x 26mm W x 0.4mm H. They are also sold separately as item BR723014.. L × W × H: 24 mm × 26 mm × 0.4 mm. Chamber Size: 0.1 mm, Depth. Sold in each. . . Sigma-Aldrich BR717810-1EA BLAUBRAND Counting Chamber Neubauer Improved without Clip, Bright-Line. Country of Origin : Germany. Part Number : 1198Z15EA. Pack of : 1.