Built-in dial-set- no gauge is needed to install or set static pressure No corroding unitized cartridge - contains all working parts and is easily replaceable Outlet adjustment range of 25 psi to 90 psi make it suitable for household, commercial, industrial and turf-and-irrigation applications Install it just about anywhere. The internal and external threading allows for use in thread-by-thread, single union or double-union configurations 1/4 inch