Biological Bottom Dredge Back Catalog number: 438610 Availability: In the manufacturer's stock Price on request - + Recommended 5005B-50 Stainless Dipper. 1m. 50cc Price on request 438753 Spare Net Part (one single net) for Bongo Net with Price on request 440065-100 Stainless Stell Rope, 2.5mm diameter, Hydro-Bios N Price on request