Van Veen grab sampler 2 liter.
Float
https://production.royaleijkelkamp.com/shop/d0046401-float-27390
https://production.royaleijkelkamp.com/web/image/product.template/27390/image_1920?unique=1be9d1a
For use with the Hooghoudt bore hole method set for water permeability measurement.
