Stream Bottom Sampler, Surber Type, mesh size 500 Back Catalog number: 438650 Availability: In the manufacturer's stock Price on request - + Recommended 438183-021 Net bag Mammoth - protective net 300µ Price on request 443591-001 Spare Rope for Visibility Disc acc. to Secchi Price on request A266-100 100Litre Tight Head Drum. 316 Stainless Steel. Price on request