WaterMark Surber Type Stream Bottom Sampler, 500 µ Mesh

Used for “semi-quantitative” analysis of benthic stream organisms, this is a benchmark sampler for national monitoring groups. Can be used in silt or large cobble. Substrates contained within the 12” x 12” folding brass frame are agitated to dislodge insects while water flow transports animals into plankton net. Features a detachable cod-end that is 11cm in diameter. Heavy-duty Nitex® mesh net is supported by perpendicular frame members. Nylon carrying bag also included.