Additional cost for Net Part (one single net each) Back Catalog number: 438123-020 Availability: In the manufacturer's stock Price on request - + Recommended 438212 Net Part for Neuston Net, mesh size 300microns Price on request 438712 Spare Netbag for RingTrawl 50cm with zip fastene Price on request 443594-001 Spare Rope for Visibility Disc acc. to Secchi Price on request