Plankton Net for quantitative collection with cowl Back Catalog number: 438020 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 435035 Package of 250 Base Plates, diameter 27.5mm Price on request 438050 Plankton Net for quantitative collection with cowl Price on request 435098 Set of 10 Spare Dilution Bottles 250ml Price on request