Sleeve Fitting Material Brass Maximum Operating Pressure 300 psi Maximum Operating Temperature 250 Degrees F Overall Length 1/4 in Specific Fitting Shape Sleeve System of Measurement Imperial Compatible Tube Outer Diameter 1/4 in Standards NSF/ANSI 61 Annex G Compatible Fitting Connection Type Compression Compatible Tube Material Aluminum Copper Thermoplastic Minimum Operating Temperature 40 Degrees F