<p>Air Check Valve, NPT Size (F) 3/8 Inch, Bronze, Maximum Hold 250 PSI</p> <p><br /><b>Features</b></p> <ul> <li>Flow Range Free Air (CFM): 0 to 22</li> <li>Inlet (In.): 3/8 (F)NPT</li> <li>Item: Check Valve</li> <li>Length (In.): 2-3/16</li> <li>Material: Cast Brass</li> <li>Max. Temp. (F): 450</li> <li>Outlet (In.): 3/8 (F)NPT</li> <li>Type: Air</li> <li>Max. Pressure (PSI): 250</li> <li>Mounting: Vertical or Horizontal</li> <li>Disc: Positive Seating Fluoropolymer, for Maximum Air Flow</li> <li>Tap Size: 1/8&quot; for Pressure Switch Unloader Connection</li> </ul> <p></p>