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 435010 Counting Chamber for zooplankton, volume approx. 9 Price on request 438030-001 Spare Net Bag for Plankton Net No. 438 030 Price on request 438040 Plankton Net for quantitative collection with cowl Price on request