Voluvessel w/ Metal Guard, 1/20 ft³ (1600ml)

Voluvessels feature a base-mounted pump and a metal guard for the graduated plastic cylinder which provides an integral metal handle. Each unit includes a double-graduated cylinder, 基板, pressure/vacuum pump assembly with quick-coupler, 十个气球, and an integral gauge for controlling pressure during calibration and testing. Selection of a Voluvessel model is determined by maximum size of soil particles. H-4116 is used with max.-sized soil particles of 0.5" (13mm).

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