Reducer, Application Air, Fuel, Natural Gas, Fitting Side A Connection Type FTG, Fitting Side B Connection Type Press-Fit, Fitting Side A Copper Tube Size 1 in, Fitting Material Carbon Steel, Fitting Side B Pipe Size 3/4 in, O-Ring Material HNBR, Specific Fitting Shape Straight Adapter, Finish/Coating Zinc Nickel-Plated, Overall Length 3 1/4 in, Maximum Operating Pressure 125 psi, Maximum Operating Temperature 180 Degrees F