Visibility Disc acc. to Secchi, dia. 30cm,10m stee Back Catalog number: 443593 Availability: In the manufacturer's stock Price on request - + Recommended 438162 Secondary Unlocking Mechanism for MultiNet Price on request 4010B-01 Tablet Sampler - GMP with movable bottom plate Price on request 5065S-3000 Stainless Telscopic Rod. 1.5 - 3m Price on request