ABS DWV Test Tee Without Cleanout Plug is used at the base of a vertical drain pipe to provide a cleanout opening flush with the finished wall. For non-pressure drain, waste and vent installation. Low chemical resistance, black material. Size: 3" Color: Black Connection: Hub x Hub x Female iron pipe Test tee without cleanout plug Used at the base of a vertical drain pipe Provide a cleanout opening flush with the finished wall For non-pressure drain, waste and vent installation Low chemical resistance material.