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 A136-01A 1" Butterfly Valve kit (316L) with EPDM seal Price on request 8370H-50S 50mm dia Funnel box of 100. Sterile Price on request 438700 Ring Trawl (Calcofi) Net Price on request