Intertherm Pre Charged Quick Connect Line Set 3/4in x 3/8in x 20ft. Pre-Charged Quick Connect Line Set - 3/4" X 3/8" X 20' Features of Intertherm Pre Charged Quick Connect Line Set - 3/4in x 3/8in x 20' Dimensions: 3/4" X 3/8" X 20' Insulated line Pre-charged quick connect Made with quality/durable materials Package Contents: Intertherm Pre Charged Quick Connect Line Set - 3/4in x 3/8in x 20' Intertherm 1007395: Pre Charged Quick Connect Line Set 3/4in x 3/8in x 20ft