Visibility Disc acc. to Secchi, dia. 30cm,10m stee Back Catalog number: 443593 Availability: In the manufacturer's stock Price on request - + Recommended 5020P-101 PE Hose. 100m with batch cert Price on request 5070C-25 Copper Wire 25m Price on request A136-01A 1" Butterfly Valve kit (316L) with EPDM seal Price on request