Consists of a PVC body with a ceramic cup epoxy bonded to one end. The porous ceramic cup has an outside diameter of 1.9" (4.8 cm) and is 2.0" (5.0 cm) in length. Soil Moisture Press/Vac. Soil Water Sampler supplied with a 2 bar (200 kPa) ceramic cup, but 0.5 bar (50 kPa) and 1 bar (100 kPa) cups are also available. Nylon compression fittings are threaded into the top cap and are used to attach lengths of Polyethylene tubing to a remote sampling station. A pressure-vacuum hand pump is used for evacuating the sampler and recovering the sample.