Folsom's Plankton Sample Divider Back Catalog number: 435100 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 435028 Package of 50 Cover Plates, diameter 33mm Price on request 438040 Plankton Net for quantitative collection with cowl Price on request 438030-001 Spare Net Bag for Plankton Net No. 438 030 Price on request