Rota spray plus promotional kit mega electronics 500 722 font color red font size 3 b special offer b font font br save over 163 150 br font color green b buy the rota spray and get the base unit and chemicals completely free b font br base unit 34 0754 chemicals 34 0758 5 litre ferric chloride solution and 34 0790 1 litre pcb developer solution br br a spray processor with many advanced features making it an ideal upgrade from a bubble etch tank the rota spray