Refrigeration Press Fitting Application Air Conditioning Ethylene Glycol Heat Pump Non-Potable Water Refrigeration Fitting Side A Connection Type Press-Fit Fitting Side B Connection Type Flare Fitting Side A Copper Tube Size 1/4 in Fitting Side B Copper Tube Size 1/4 in Fitting Material Copper Fitting Side B Pipe Size 7/16 in Material Grade C12200 O-Ring Material HNBR Specific Fitting Shape Straight Adapter Fitting Side A Tube Outer Diameter 1/4 in