Niskin 250ml PVC water sampler is made of PVC material,top cover and a bottom cover made of polyoxymethylene,connected by a rubber rope. When the hammer is released, the sampler is closed by wire cutting system, the sampler for small and micro survey and benthic survey.

Product description

◆ order three water sampling device fixed on the same bracket

◆ diameter: 50mm

◆ diameter: 38mm

◆ diameter: 38mm

◆ length: 250mm