Subordinate Hull Cell 267mL. Hull Cell is a miniature plating unit for producing a cathode deposit that records the character of electroplate at all current densities within the operating range. It is among the most useful tools available to the plating chemist for control of plating baths. It is an indispensable adjunct to standard analytical methods, enabling the skilled operator to determine and control the effects of addition agents, impurities and purification treatments on the plating , many of which can be determined by no other method. Practically every plating solution can be controlled or evaluated to varying degrees by the use of the Hull Cell. Tips: The product may be updated constantly, The Actual Product May Have Slight Differences Or Color Differences the color and appearance may be changed, please don't mind. And take a consideration before place the order if you have request for color or appearance. Colour: Transparent Material: Acrylic Package Contents: 2 x Hough Groove Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.