Complete with tee and U-bolts, nuts and washers. Available in two sizes which provide capability of tapping 1-1/2" or 2" DWV pipe to 3" or 4" existing schedule 40 DWV pipe. 3" x 2" and 4" x 2" spigots accept 1-1/2" schedule 40 DWV inside socket, joins to 2" with 2" couplings. Allows tapping of existing DWV lines without cutting pipe. Fits inside 2" DWV with couplings.