Ring Trawl (Calcofi) Net Back Catalog number: 438700 Availability: In the manufacturer's stock Price on request - + Recommended 438213 Net Part for Microplastic nets, Hydro-Bios No. 438 Price on request 450010 Set of 12 Experimental Bottles (Serial No. xx) Price on request K101-2000F Aluminium temp probe. 2m Price on request