Spare Net Bucket, for Plankton Nets No. 438030 / 4 Back Catalog number: 438055 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 435100 Folsom's Plankton Sample Divider Price on request 438050 Plankton Net for quantitative collection with cowl Price on request 435012 Counting Chamber for zooplankton,volume approx. 70 Price on request