The 1020, 100 Bar Pressure Membrane Extractor, is used to analyze the water-holding characteristics of soil samples at extremely high pressures. The Pressure Membrane Extractor uses a cellulose membrane supported on a screen drain plate. The cylinder is 2in (5 cm) high, with an inside diameter of 10in (25 cm). The 1020 consists of top and bottom plates, cylinder, all connecting bolts and seals, screen drain plate, and a side exhaust valve. You will need the 0750G4 Manifold (sold separately) to run the 1020 Extractor. Other items you will need are cellulose membranes (1041D12), soil sample retaining rings (1093F1), and an electrical leadthrough (1066) are available separately.