Package of 250 Base Plates, diameter 27.5mm Back Catalog number: 435035 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 438050 Plankton Net for quantitative collection with cowl Price on request 435016 Plankton Chamber acc. to Kolkwitz, capacity 1.0ml Price on request 435094 Plunger Sampling Pipette acc. to Hensen, capacity Price on request