Easy hand operated vacuum pump for extracting solution samples from Soil Water Samplers using an extraction kit. Includes a vacuum dial gauge. Capable of developing vacuums to 800kPa. Soil Moisture Vacuum Hand Pump rugged portable design for prolonged use in the field Field repairable valves and pump pads Pressures to +50 PSI, vacuums to .8 bars suction All parts brass, stainless steel or rugged plastics for long service