Spare Net Bag for Plankton Nets No. 438 001 Back Catalog number: 438001-001 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 435022 Tubular Plankton Chamber, capacity 10ml Price on request 435035 Package of 250 Base Plates, diameter 27.5mm Price on request 435010 Counting Chamber for zooplankton, volume approx. 9 Price on request