Ring Trawl (Calcofi) Net Back Catalog number: 438700 Availability: In the manufacturer's stock Price on request - + Recommended A179-250 Aluminium Bottle 250ml Price on request A716-400-4 400mm Powder Funnel. 316Lss with 4" outlet Price on request A976-200 200mm Bent Tweezer. 316L stainless steel Price on request