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 435091 Plunger Sampling Pipette acc. to Hensen, capacity Price on request 435098 Set of 10 Spare Dilution Bottles 250ml Price on request 435021 Tubular Plankton Chamber, capacity 5ml Price on request