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 435028 Package of 50 Cover Plates, diameter 33mm Price on request 435022 Tubular Plankton Chamber, capacity 10ml Price on request 435025 Combined Plate Chamber (Utermöhl-Chamber), set wit Price on request