$18.65
Dixon SS17-363 Stainless Steel 303 Industrial Hydraulic Quick-Connect Fitting, Poppet Valve Plug, 3/8" Coupling x 3/8"-18 NPTF
$17.76
Parker 14R113FC Regulator, Relieving Type, 2-125 psi Pressure Range, No Gauge, 15 scfm, 1/4" NPT
$4.99
E.C. Kraus Poppet Valve: Ball-Lock / Cornelius
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Dixon SS16-363 Stainless Steel 303 Industrial Hydraulic Quick-Connect Fitting, Poppet Valve Coupler, 3/8" Coupling x 3/8"-18 NPTF