Visibility Disc acc. to Secchi, dia. 30cm,10m stee Back Catalog number: 443593 Availability: In the manufacturer's stock Price on request - + Recommended 438311 Kick Net Sampler acc. to AQEM-method Price on request 438419 V-Fin Depth Depressor with steel rope and shackle Price on request 438150/A Fixing Ring for PVC Net Bucket with snap-in bolt Price on request