Visibility Disc acc. to Secchi, dia. 30cm,10m stee Back Catalog number: 443593 Availability: In the manufacturer's stock Price on request - + Recommended 438753 Spare Net Part (one single net) for Bongo Net with Price on request A854-100 Angled Tweezer (forceps). 100mm Price on request 438955A Fixing ring for spare plastic net bucket without s Price on request