Pro build trays come in a variety of capacity settings. The new firmware for the Pro1 and Pro2 machines has greatly enhanced the life of these trays. We have the 1 liter trays in stock or you can choose a money saving, higher capacity tray if you are now comfortable with your Composer software and hardware settings.
The trays are all made of the same material but some people get more life out of their trays by optimizing settings of the glass slider on their machines. The new software and firmware allow these improvements. We now sell these trays a single units rather than sets as a result of the software and hardware improvements. We also have 2L trays available as well.