Flow Sight, Inline Double Window, 3/4 In. -14 NPT, Hex Dia. Flats (In. ) 1 3/8 in, Max. Working Pressure (PSI) 345 psi, Max. Operating Temp. 180 Degrees F, Sight Length (In. ) 1 3/8 in, Sight Dia. (In. ) -, Overall Length 5 1/4 in, Condition or Clarity, Vertical or Horizontal Fluid Lines to Observe Fluid Flow, Features Buna N Seals and Borosilicate Sight Window, Female x Female NPT, Solid Brass Bar Stock Construction. This item has been restricted from sale in the following state (s): []