Rack For Petri Dishes are clear acrylic construction with polycarbonate posts. LPW1105 A has a capacity to hold 60 petri dishes of 90 mm size while in LPW1105 B  can hold 56 petri dishes of 60mm. These racks are very useful during inoculation, incubation & Storage. All sides of the rack are visible so that the culture to be seen & checked during incubation.