Circulation pump to be placed inside the electrolyte to aid with agitation. Agitation is incredibly important in the plating process. It helps to maintain even grain size, distribution of brighteners and also aid in the deposition of coatings with a uniform thickness. For the best overall quality of plated parts, it is essential to use agitation. This pump has a maximum output of 200L per hour, the output can also be varied by means of an adjuster and comes with two different sized output nozzles. Measures 32 x 45 x 48mm. It comes with an instruction sheet.