Spare Net Bucket, for Plankton Nets No. 438030 / 4 Back Catalog number: 438055 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 435098 Set of 10 Spare Dilution Bottles 250ml Price on request 435010 Counting Chamber for zooplankton, volume approx. 9 Price on request