Additional cost for Net Part of Ring Trawl Net wit Back Catalog number: 438703-020 Availability: In the manufacturer's stock Price on request - + Recommended 438650 Stream Bottom Sampler, Surber Type, mesh size 500 Price on request 440065-200 Stainless Stell Rope, 2.5mm diameter, Hydro-Bios N Price on request 438520 Drop-messenger-operated closing mechanism Price on request