Folsom's Plankton Sample Divider Back Catalog number: 435100 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 438030-001 Spare Net Bag for Plankton Net No. 438 030 Price on request 435010 Counting Chamber for zooplankton, volume approx. 9 Price on request 435028 Package of 50 Cover Plates, diameter 33mm Price on request