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Two-way front zipper with storm flap and metal snap closure
Optical System VIOS Infinity Corrected Viewing Head Binocular or Trinocular
these binoculars are equipped with multilayer-coated lens and prism surfaces that provide higher light transmittance across the entire visible light spectrum
Use when replacing screen
• Two locking plates on each tray allow loading in the lab
Mini Surber Sampler, 500 Micron Mesh Test Strips Two-way front zipper with stormProduct Cod: 623 1210 One of the best quantitative samplers for benthic invertebrates, now available in a smaller size. Normally used for macroinvertebrates (clams, worms, insect larvae), but sometimes also larger specimens (crayfish, adult insects). Also called a riffle sampler or run sampler, the Mini Surber is designed for small streams and rivulets where our larger model will not fit, as well as for student use. See our useful operating
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