The unique petri dish filling PetriSwiss PS900 is a fully automatic, linear and very precise Petri Dish filling system, “made in Switzerland”, for high through-put filling and true walk away. Preload of 400 dishes, reload at any time, filling under UV light in covered filling chamber, Agar is applied by the unique 10-roller double head peristaltic pump with low pulsation, Vibramix for equal distribution of Agar and stacking from 1-20 dishes or pushed on the optional push-out table, operated by a touch screen. The PS900 is a heavy duty worker in dish filling