Ring Trawl (Calcofi) Net Back Catalog number: 438700 Availability: In the manufacturer's stock Price on request - + Recommended 1030AT-200 2cc Tip. Price on request 438213 Net Part for Microplastic nets, Hydro-Bios No. 438 Price on request A266-100 100Litre Tight Head Drum. 316 Stainless Steel. Price on request