Graco Low Pressure Fluid Regulator, 250 Max psi, 5-100 psi Range, 2.0 GPM, SST, Spring Type, 3/8 (f) x 3/8 (m), 1/4 (f) PortFEATURES Fluid regulators keep your system functioning more productively. For a balanced fluid system, pressure control is essential. Graco provides a wide selection of fluid pressure regulators and back pressure valves. Together, these controls keep your system functioning more productively by providing rugged, precise pressure regulation. Available with mechanical control or pneumatic control Suitable for fluids with low and high viscosities Models