Stream Bottom Sampler, Surber Type, mesh size 500 Back Catalog number: 438650 Availability: In the manufacturer's stock Price on request - + Recommended 438212 Net Part for Neuston Net, mesh size 300microns Price on request 5020P-101 PE Hose. 100m with batch cert Price on request 5065A-2501 Telescopic Rod - 1.3m to 2.5m Price on request