Comparison : Item # 30574, 1/2 Inch (in) Nominal Inside Diameter (ID) and 5/8 Inch (in) Actual Outside Diameter (OD) Suction Line P-Trap
Item # 30575, 5/8 Inch (in) Nominal Inside Diameter (ID) and 3/4 Inch (in) Actual Outside Diameter (OD) Suction Line P-Trap
Item # 30576, 3/4 Inch (in) Nominal Inside Diameter (ID) and 7/8 Inch (in) Actual Outside Diameter (OD) Suction Line P-Trap
Item # 30577, 1 Inch (in) Nominal Inside Diameter (ID) and 1-1/8 Inch (in) Actual Outside Diameter (OD) Suction Line P-Trap
Item # 30578, 1-1/4 Inch (in) Nominal Inside Diameter (ID) and 1-3/8 Inch (in) Actual Outside Diameter (OD) Suction Line P-Trap