Biological Bottom Dredge Back Catalog number: 438610 Availability: In the manufacturer's stock Price on request - + Recommended A266-50 50Litre Tight Head Drum. 316 Stainless Steel. Price on request 438134 Net Part (one single net) for MultiNet Type Midi Price on request A976-200 200mm Bent Tweezer. 316L stainless steel Price on request