The Photo Developing Trays from Paterson is injection moulded from thick polypropylene. The specially designed base ribbing gives both maximum stability and economy with processing solution. The moulding along one edge gives support to a thermometer allowing a constant check of solution temperature.

This set of 3 includes one of each colour; red, white and grey – suitable for paper up to 12×16 inches (30.5×40.6cm).