Take quick samples of liquids in recovery wells, storage tanks, leachate monitoring wells, and drums with our Groundwater Sampler. A baler-type sampler, it collects liquids at any depth over three inches. Catalog number 8390-000. One-liter volume. Teflon-ball check-valve assembly is easily removed for simple cleaning. Stainless steel sampler tube is 48' long with an outer diameter of 11/2'. Weight: five pounds. Also available in .5 liter capacity.