4000PSI Trigger Gun, 3/8" FPT Inlet x 1/4" FPT Outlet, For MI-T-M Model #s WP-3003-0MRB True Value #270-660, JP-2703-0MHB, JCW-2003-0MHB True Value #752-755, JCW-2504-0MVB True Value #752-793, CW-3004-4MGV True Value #752-805.