Set of 10 Spare Dilution Bottles 250ml Back Catalog number: 435098 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 435021 Tubular Plankton Chamber, capacity 5ml Price on request 435015 Plankton Chamber acc. to Kolkwitz, capacity 0.5ml Price on request 435035 Package of 250 Base Plates, diameter 27.5mm Price on request