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This round multiplate Hester-Dendy sampler is used for substrate sampling of micro-invertebrate organisms found in rivers, streams, lakes, etc. The sampler contains 14 water-resistant, tempered masonite plates that are smooth on both sides.
The plates are 75 mm dia. and are separated by 8 single spacers, 1 double spacer, 2 triple spacers and 2 quadruple spacers. Weighs 2 lbs. Meets EPA recommendations for benthic studies. Made in USA.