ers 450-060, 450-062, 460-064 by withdrawing collected samples from near-surface or column soil water samplers. The Extraction Kit comes with a 50 ml syringe, 3.16 inches outside diameter tubing, 3.32 inches outside diameter nylon tubing and luer connectors, a vacuum dial gauge, capable of developing vacuums to 800 kPa. Rugged portable design for prolonged use in the field. Field repairable valve and pump pad pressures to +50 PSI, vacuums to 0.8 bars suction. All parts are Brass, Stainless Steel or rugged plastic for long service.