Drop-messenger-operated closing mechanism Back Catalog number: 438520 Availability: In the manufacturer's stock Price on request - + Recommended A1234-5 Safety Can 5L - 316 stainless steel Price on request 443594-001 Spare Rope for Visibility Disc acc. to Secchi Price on request 438710 Hirizontal Plankton net, special design, single ne Price on request