Plankton Net for quantitative collection with cowl Back Catalog number: 438020 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 438050 Plankton Net for quantitative collection with cowl Price on request 438015 Spare Net Part for Plankton Nets No. 438 010 and 4 Price on request