Comparison : Item # 50330, 1/2 x 3/8 Inch (in) Size Copper Female Reducing Adapter
Item # 50007, 1/2x 3/4 Inch (in) Size Copper Female Reducing Adapter
Item # 50008, 3/4 x 1/2 Inch (in) Size Copper Female Reducing Adapter
Item # 50009, 1 x 1/2 Inch (in) Size Copper Female Reducing Adapter
Item # 50010, 1 x 3/4 Inch (in) Size Copper Female Reducing Adapter