HYDRO BIOS Plankton Counting Chamber Acc. To Kolkwitz

HYDRO BIOS Plankton Counting Chamber acc. to Kolkwitz Plankton Counting Chamber acc. to Kolkwitz inclusive cover plate with counting grid. Measurements: 33 x 33 mm, base plate 0, 5 mm, cover plate 1, 5 mm, boring diam. 22 mm, precisely adjusted, counting grid 1 mm No. 435 015 Capacity 0, 5 ml No. 435 016 Capacity 1, 0 ml