Visibility Disc acc. to Secchi, dia. 30cm,10m stee Back Catalog number: 443593 Availability: In the manufacturer's stock Price on request - + Recommended 438508 Spare Net Part for Nansen Closing Net with Boltrop Price on request 8226A-01 ID Labels - roll of 250 Price on request A136-01A 1" Butterfly Valve kit (316L) with EPDM seal Price on request