Fitting, Quick Connect, 203$49.95 Fitting, Quick Connect, 203 Replacement Fitting for portable regulators SKU: A0025 Category: Oxygen Tags: 203, Fitting, Quick Connect Description Description Replacement Fitting for portable regulators Related products 4110-650, Indicator, Flow. $79.00 View product 4110-725-001-02-2 $4,250.00 View product High Pressure Filler Valve / Recharger – MS22035-1 $349.00 View product 4110-402-6, Outlet, PB2 $199.00 View product