Viega ProPress 1in - 90 degrees Copper Elbow - Street/Press Connection - Smart Connect Technology. Propress 1/2in - 90 degrees; Copper Elbow - Street/Press Connection - Smart Connect Technology Features: For use with ASTM B88 tubing CopperPress connection street Components:EPDM sealing element Specifications for Viega ProPress Copper Elbow Fitting - Street/Press Connection: Manufacturer: Viega Quantity: 1 Features of Viega ProPress Copper Elbow Fitting - Street/Press Connection For use with ASTM B88 tubing Copper Press connection Components: EPDM sealing elements Package Contents: Viega ProPress Copper Elbow Fitting - Street/Press Connection Viega 77057: ProPress 1in - 90 degrees Copper Elbow - Street/Press Connection - Smart Connect Technology