Push-Fit Adapter Fitting, Application Air, Fitting Side A Connection Type BSPT, Fitting Side B Connection Type Push-to-Connect, Fitting Side A Pipe Size 1/4 in, Fitting Side B Tube Outer Diameter 12 mm, Fitting Material Fiberglass-Reinforced Nylon, Fitting Thread Size 1/4 In., Material Grade Not Applicable, Color Black, Includes Pre-Applied Thread Sealant Pre-Applied Thread Sealant Not Included, Maximum Operating Pressure 20 barg, Maximum Operating Temperature 176 Degrees F