Sedgewick-Rafter Plain Cover Glass Only, 12/pak

Sedgewick-Rafter Counting Cell

This is used for counting zooplankton samples. A 1 ml counting cell 45 mm long, 20 mm wide, and 1 mm high. Precision rectangular brass cell is bonded to a 1" x 3" (25 mm x 75 mm) glass slide. It is supplied with two extra cover glasses and a plastic case.

604-166 Replacement Cover Glass, pack of 12 0.1 lb.