Compact, space-saving incubator for the incubation of membrane filters on culture carton discs or other culture media. The incubator offers space for the following number of Petri dishes: 200 x 47 mm, 160 x 56 mm | 60 mm or 72 x 90 mm. The swing lid and the removable insert plate simplify loading and unloading. To avoid light entering the chamber, the lid is opaque. Compact and robust design opaque swinging lid ideal for small laboratories