Intertherm Pre Charged Quick Connect Line Set 3/4in x 3/8in x 20ft 1007395. 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...