This is an optical glass cell 17mm wide, 75mm tall for use in the Comparator 2000 and 3000 ranges with an etched fill line at 20ml volume for water testing purposes.
High Quality Optical Glass Cells
Heat Fused - Durable and Strong
Bevelled Edging - Easy Placement
Blemish Free
40 mm path length calibrated at 20ml Series Fused Optical Glass