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 Plankton Net for qualitative collection Price on request 438010 Plankton Net for quantitative collections with cow Price on request 438015 Spare Net Part for Plankton Nets No. 438 010 and 4 Price on request