Ring Trawl (Calcofi) Net Back Catalog number: 438700 Availability: In the manufacturer's stock Price on request - + Recommended 438412 Spare Net Part for High Speed Plankton Collector N Price on request A144-160 Tongs. 160mm long Price on request 8286A-150 SteriWare Scoop 150ml - PS - Box of 100 Price on request